Home / 97,805,906.60-146,708,859.90-90,415,596.20

Finding the Fourth Proportional to 97,805,906.60, 146,708,859.90 and 90,415,596.20

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Solution

The fourth proportional to 97,805,906.60, 146,708,859.90 and 90,415,596.20 is: 135,623,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,805,906.60 : 146,708,859.90 = 90,415,596.20 : x
  2. Step 2: Convert to fraction form
    97,805,906.60/146,708,859.90 = 90,415,596.20/x
  3. Step 3: Cross multiply
    97,805,906.60x = 146,708,859.90 × 90,415,596.20
  4. Step 4: Simplify right side
    97,805,906.60x = 13,264,769,035,680,774
  5. Step 5: Solve for x
    x = 13,264,769,035,680,774/97,805,906.60
  6. Step 6: Final answer
    x = 135,623,394.30

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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.