Home / 87,552,292.60-131,139,482.10-72,435,748.60

Finding the Fourth Proportional to 87,552,292.60, 131,139,482.10 and 72,435,748.60

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Solution

The fourth proportional to 87,552,292.60, 131,139,482.10 and 72,435,748.60 is: 108,497,290.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,552,292.60 : 131,139,482.10 = 72,435,748.60 : x
  2. Step 2: Convert to fraction form
    87,552,292.60/131,139,482.10 = 72,435,748.60/x
  3. Step 3: Cross multiply
    87,552,292.60x = 131,139,482.10 × 72,435,748.60
  4. Step 4: Simplify right side
    87,552,292.60x = 9,499,186,556,929,798
  5. Step 5: Solve for x
    x = 9,499,186,556,929,798/87,552,292.60
  6. Step 6: Final answer
    x = 108,497,290.87

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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.