Home / 87,488,875.19-120,738,316.01-50,319,165.83

Finding the Fourth Proportional to 87,488,875.19, 120,738,316.01 and 50,319,165.83

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Solution

The fourth proportional to 87,488,875.19, 120,738,316.01 and 50,319,165.83 is: 69,442,558.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,488,875.19 : 120,738,316.01 = 50,319,165.83 : x
  2. Step 2: Convert to fraction form
    87,488,875.19/120,738,316.01 = 50,319,165.83/x
  3. Step 3: Cross multiply
    87,488,875.19x = 120,738,316.01 × 50,319,165.83
  4. Step 4: Simplify right side
    87,488,875.19x = 6,075,451,344,486,847
  5. Step 5: Solve for x
    x = 6,075,451,344,486,847/87,488,875.19
  6. Step 6: Final answer
    x = 69,442,558.63

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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.