Home / 157,787,997.60-236,681,996.40-42,772,355.40

Finding the Fourth Proportional to 157,787,997.60, 236,681,996.40 and 42,772,355.40

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Solution

The fourth proportional to 157,787,997.60, 236,681,996.40 and 42,772,355.40 is: 64,158,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,787,997.60 : 236,681,996.40 = 42,772,355.40 : x
  2. Step 2: Convert to fraction form
    157,787,997.60/236,681,996.40 = 42,772,355.40/x
  3. Step 3: Cross multiply
    157,787,997.60x = 236,681,996.40 × 42,772,355.40
  4. Step 4: Simplify right side
    157,787,997.60x = 10,123,446,466,802,320
  5. Step 5: Solve for x
    x = 10,123,446,466,802,320/157,787,997.60
  6. Step 6: Final answer
    x = 64,158,533.10

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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.