Home / 87,488,892.02-120,738,339.20-50,319,182.64

Finding the Fourth Proportional to 87,488,892.02, 120,738,339.20 and 50,319,182.64

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Solution

The fourth proportional to 87,488,892.02, 120,738,339.20 and 50,319,182.64 is: 69,442,581.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,488,892.02 : 120,738,339.20 = 50,319,182.64 : x
  2. Step 2: Convert to fraction form
    87,488,892.02/120,738,339.20 = 50,319,182.64/x
  3. Step 3: Cross multiply
    87,488,892.02x = 120,738,339.20 × 50,319,182.64
  4. Step 4: Simplify right side
    87,488,892.02x = 6,075,454,541,855,072
  5. Step 5: Solve for x
    x = 6,075,454,541,855,072/87,488,892.02
  6. Step 6: Final answer
    x = 69,442,581.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.