Home / 87,500,985.63-131,279,517.50-61,267,148.01

Finding the Fourth Proportional to 87,500,985.63, 131,279,517.50 and 61,267,148.01

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Solution

The fourth proportional to 87,500,985.63, 131,279,517.50 and 61,267,148.01 is: 91,920,354.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,500,985.63 : 131,279,517.50 = 61,267,148.01 : x
  2. Step 2: Convert to fraction form
    87,500,985.63/131,279,517.50 = 61,267,148.01/x
  3. Step 3: Cross multiply
    87,500,985.63x = 131,279,517.50 × 61,267,148.01
  4. Step 4: Simplify right side
    87,500,985.63x = 8,043,121,628,579,586
  5. Step 5: Solve for x
    x = 8,043,121,628,579,586/87,500,985.63
  6. Step 6: Final answer
    x = 91,920,354.62

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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.