Home / 137,417,261.92-206,082,155.61-45,283,812.53

Finding the Fourth Proportional to 137,417,261.92, 206,082,155.61 and 45,283,812.53

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Solution

The fourth proportional to 137,417,261.92, 206,082,155.61 and 45,283,812.53 is: 67,911,305.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,417,261.92 : 206,082,155.61 = 45,283,812.53 : x
  2. Step 2: Convert to fraction form
    137,417,261.92/206,082,155.61 = 45,283,812.53/x
  3. Step 3: Cross multiply
    137,417,261.92x = 206,082,155.61 × 45,283,812.53
  4. Step 4: Simplify right side
    137,417,261.92x = 9,332,185,699,391,118
  5. Step 5: Solve for x
    x = 9,332,185,699,391,118/137,417,261.92
  6. Step 6: Final answer
    x = 67,911,305.82

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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.