Home / 97,728,010.40-146,592,015.60-82,611,466.40

Finding the Fourth Proportional to 97,728,010.40, 146,592,015.60 and 82,611,466.40

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Solution

The fourth proportional to 97,728,010.40, 146,592,015.60 and 82,611,466.40 is: 123,917,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,728,010.40 : 146,592,015.60 = 82,611,466.40 : x
  2. Step 2: Convert to fraction form
    97,728,010.40/146,592,015.60 = 82,611,466.40/x
  3. Step 3: Cross multiply
    97,728,010.40x = 146,592,015.60 × 82,611,466.40
  4. Step 4: Simplify right side
    97,728,010.40x = 12,110,181,371,247,676
  5. Step 5: Solve for x
    x = 12,110,181,371,247,676/97,728,010.40
  6. Step 6: Final answer
    x = 123,917,199.60

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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.