Home / 99,445,138.41-137,227,237.02-54,789,159.90

Finding the Fourth Proportional to 99,445,138.41, 137,227,237.02 and 54,789,159.90

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Solution

The fourth proportional to 99,445,138.41, 137,227,237.02 and 54,789,159.90 is: 75,605,154.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,445,138.41 : 137,227,237.02 = 54,789,159.90 : x
  2. Step 2: Convert to fraction form
    99,445,138.41/137,227,237.02 = 54,789,159.90/x
  3. Step 3: Cross multiply
    99,445,138.41x = 137,227,237.02 × 54,789,159.90
  4. Step 4: Simplify right side
    99,445,138.41x = 7,518,565,031,723,980
  5. Step 5: Solve for x
    x = 7,518,565,031,723,980/99,445,138.41
  6. Step 6: Final answer
    x = 75,605,154.28

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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.