Home / 99,445,135.90-137,227,233.56-54,789,157.40

Finding the Fourth Proportional to 99,445,135.90, 137,227,233.56 and 54,789,157.40

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Solution

The fourth proportional to 99,445,135.90, 137,227,233.56 and 54,789,157.40 is: 75,605,150.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,445,135.90 : 137,227,233.56 = 54,789,157.40 : x
  2. Step 2: Convert to fraction form
    99,445,135.90/137,227,233.56 = 54,789,157.40/x
  3. Step 3: Cross multiply
    99,445,135.90x = 137,227,233.56 × 54,789,157.40
  4. Step 4: Simplify right side
    99,445,135.90x = 7,518,564,499,085,402
  5. Step 5: Solve for x
    x = 7,518,564,499,085,402/99,445,135.90
  6. Step 6: Final answer
    x = 75,605,150.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.