Home / 151,437,691.09-208,998,767.99-89,577,958.69

Finding the Fourth Proportional to 151,437,691.09, 208,998,767.99 and 89,577,958.69

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Solution

The fourth proportional to 151,437,691.09, 208,998,767.99 and 89,577,958.69 is: 123,626,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,437,691.09 : 208,998,767.99 = 89,577,958.69 : x
  2. Step 2: Convert to fraction form
    151,437,691.09/208,998,767.99 = 89,577,958.69/x
  3. Step 3: Cross multiply
    151,437,691.09x = 208,998,767.99 × 89,577,958.69
  4. Step 4: Simplify right side
    151,437,691.09x = 18,721,683,005,269,116
  5. Step 5: Solve for x
    x = 18,721,683,005,269,116/151,437,691.09
  6. Step 6: Final answer
    x = 123,626,310.40

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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.