Home / 87,411,733.20-131,117,599.80-42,062,101.20

Finding the Fourth Proportional to 87,411,733.20, 131,117,599.80 and 42,062,101.20

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Solution

The fourth proportional to 87,411,733.20, 131,117,599.80 and 42,062,101.20 is: 63,093,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,411,733.20 : 131,117,599.80 = 42,062,101.20 : x
  2. Step 2: Convert to fraction form
    87,411,733.20/131,117,599.80 = 42,062,101.20/x
  3. Step 3: Cross multiply
    87,411,733.20x = 131,117,599.80 × 42,062,101.20
  4. Step 4: Simplify right side
    87,411,733.20x = 5,515,081,751,888,700
  5. Step 5: Solve for x
    x = 5,515,081,751,888,700/87,411,733.20
  6. Step 6: Final answer
    x = 63,093,151.80

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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.