Home / 151,437,690.09-208,998,766.61-89,577,957.69

Finding the Fourth Proportional to 151,437,690.09, 208,998,766.61 and 89,577,957.69

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Solution

The fourth proportional to 151,437,690.09, 208,998,766.61 and 89,577,957.69 is: 123,626,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,437,690.09 : 208,998,766.61 = 89,577,957.69 : x
  2. Step 2: Convert to fraction form
    151,437,690.09/208,998,766.61 = 89,577,957.69/x
  3. Step 3: Cross multiply
    151,437,690.09x = 208,998,766.61 × 89,577,957.69
  4. Step 4: Simplify right side
    151,437,690.09x = 18,721,682,672,652,764
  5. Step 5: Solve for x
    x = 18,721,682,672,652,764/151,437,690.09
  6. Step 6: Final answer
    x = 123,626,309.02

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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.