Home / 257,468,778.20-386,374,889.04-93,706,489.16

Finding the Fourth Proportional to 257,468,778.20, 386,374,889.04 and 93,706,489.16

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Solution

The fourth proportional to 257,468,778.20, 386,374,889.04 and 93,706,489.16 is: 140,622,232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,468,778.20 : 386,374,889.04 = 93,706,489.16 : x
  2. Step 2: Convert to fraction form
    257,468,778.20/386,374,889.04 = 93,706,489.16/x
  3. Step 3: Cross multiply
    257,468,778.20x = 386,374,889.04 × 93,706,489.16
  4. Step 4: Simplify right side
    257,468,778.20x = 36,205,834,351,522,960
  5. Step 5: Solve for x
    x = 36,205,834,351,522,960/257,468,778.20
  6. Step 6: Final answer
    x = 140,622,232.35

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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.