Home / 205,374,061.92-307,996,053.12-67,167,736.32

Finding the Fourth Proportional to 205,374,061.92, 307,996,053.12 and 67,167,736.32

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Solution

The fourth proportional to 205,374,061.92, 307,996,053.12 and 67,167,736.32 is: 100,730,333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,374,061.92 : 307,996,053.12 = 67,167,736.32 : x
  2. Step 2: Convert to fraction form
    205,374,061.92/307,996,053.12 = 67,167,736.32/x
  3. Step 3: Cross multiply
    205,374,061.92x = 307,996,053.12 × 67,167,736.32
  4. Step 4: Simplify right side
    205,374,061.92x = 20,687,397,683,564,872
  5. Step 5: Solve for x
    x = 20,687,397,683,564,872/205,374,061.92
  6. Step 6: Final answer
    x = 100,730,333.18

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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.