Home / 157,787,999.10-236,681,998.65-42,772,356.90

Finding the Fourth Proportional to 157,787,999.10, 236,681,998.65 and 42,772,356.90

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Solution

The fourth proportional to 157,787,999.10, 236,681,998.65 and 42,772,356.90 is: 64,158,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,787,999.10 : 236,681,998.65 = 42,772,356.90 : x
  2. Step 2: Convert to fraction form
    157,787,999.10/236,681,998.65 = 42,772,356.90/x
  3. Step 3: Cross multiply
    157,787,999.10x = 236,681,998.65 × 42,772,356.90
  4. Step 4: Simplify right side
    157,787,999.10x = 10,123,446,918,063,118
  5. Step 5: Solve for x
    x = 10,123,446,918,063,118/157,787,999.10
  6. Step 6: Final answer
    x = 64,158,535.35

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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.