Home / 97,913,376,023.60-146,870,064,035.40-78,322,334,999.60

Finding the Fourth Proportional to 97,913,376,023.60, 146,870,064,035.40 and 78,322,334,999.60

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Solution

The fourth proportional to 97,913,376,023.60, 146,870,064,035.40 and 78,322,334,999.60 is: 117,483,502,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,913,376,023.60 : 146,870,064,035.40 = 78,322,334,999.60 : x
  2. Step 2: Convert to fraction form
    97,913,376,023.60/146,870,064,035.40 = 78,322,334,999.60/x
  3. Step 3: Cross multiply
    97,913,376,023.60x = 146,870,064,035.40 × 78,322,334,999.60
  4. Step 4: Simplify right side
    97,913,376,023.60x = 11,503,206,356,793,302,188,032
  5. Step 5: Solve for x
    x = 11,503,206,356,793,302,188,032/97,913,376,023.60
  6. Step 6: Final answer
    x = 117,483,502,499.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.