Home / 87,894,006.60-131,841,009.90-83,415,030.60

Finding the Fourth Proportional to 87,894,006.60, 131,841,009.90 and 83,415,030.60

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Solution

The fourth proportional to 87,894,006.60, 131,841,009.90 and 83,415,030.60 is: 125,122,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,894,006.60 : 131,841,009.90 = 83,415,030.60 : x
  2. Step 2: Convert to fraction form
    87,894,006.60/131,841,009.90 = 83,415,030.60/x
  3. Step 3: Cross multiply
    87,894,006.60x = 131,841,009.90 × 83,415,030.60
  4. Step 4: Simplify right side
    87,894,006.60x = 10,997,521,875,143,402
  5. Step 5: Solve for x
    x = 10,997,521,875,143,402/87,894,006.60
  6. Step 6: Final answer
    x = 125,122,545.90

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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.