Home / 136,530,331.70-204,822,069.60-39,489,205.10

Finding the Fourth Proportional to 136,530,331.70, 204,822,069.60 and 39,489,205.10

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Solution

The fourth proportional to 136,530,331.70, 204,822,069.60 and 39,489,205.10 is: 59,241,493.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,530,331.70 : 204,822,069.60 = 39,489,205.10 : x
  2. Step 2: Convert to fraction form
    136,530,331.70/204,822,069.60 = 39,489,205.10/x
  3. Step 3: Cross multiply
    136,530,331.70x = 204,822,069.60 × 39,489,205.10
  4. Step 4: Simplify right side
    136,530,331.70x = 8,088,260,715,440,875
  5. Step 5: Solve for x
    x = 8,088,260,715,440,875/136,530,331.70
  6. Step 6: Final answer
    x = 59,241,493.19

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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.