Home / 102,608,189.20-141,599,437.61-55,565,343.77

Finding the Fourth Proportional to 102,608,189.20, 141,599,437.61 and 55,565,343.77

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Solution

The fourth proportional to 102,608,189.20, 141,599,437.61 and 55,565,343.77 is: 76,680,248.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,608,189.20 : 141,599,437.61 = 55,565,343.77 : x
  2. Step 2: Convert to fraction form
    102,608,189.20/141,599,437.61 = 55,565,343.77/x
  3. Step 3: Cross multiply
    102,608,189.20x = 141,599,437.61 × 55,565,343.77
  4. Step 4: Simplify right side
    102,608,189.20x = 7,868,021,428,514,489
  5. Step 5: Solve for x
    x = 7,868,021,428,514,489/102,608,189.20
  6. Step 6: Final answer
    x = 76,680,248.33

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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.