Home / 87,570,006.20-131,429,658.90-39,122,415.80

Finding the Fourth Proportional to 87,570,006.20, 131,429,658.90 and 39,122,415.80

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Solution

The fourth proportional to 87,570,006.20, 131,429,658.90 and 39,122,415.80 is: 58,716,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,570,006.20 : 131,429,658.90 = 39,122,415.80 : x
  2. Step 2: Convert to fraction form
    87,570,006.20/131,429,658.90 = 39,122,415.80/x
  3. Step 3: Cross multiply
    87,570,006.20x = 131,429,658.90 × 39,122,415.80
  4. Step 4: Simplify right side
    87,570,006.20x = 5,141,845,763,937,970
  5. Step 5: Solve for x
    x = 5,141,845,763,937,970/87,570,006.20
  6. Step 6: Final answer
    x = 58,716,973.85

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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.