Home / 87,006,061.28-120,059,061.36-50,329,779.68

Finding the Fourth Proportional to 87,006,061.28, 120,059,061.36 and 50,329,779.68

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Solution

The fourth proportional to 87,006,061.28, 120,059,061.36 and 50,329,779.68 is: 69,449,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,006,061.28 : 120,059,061.36 = 50,329,779.68 : x
  2. Step 2: Convert to fraction form
    87,006,061.28/120,059,061.36 = 50,329,779.68/x
  3. Step 3: Cross multiply
    87,006,061.28x = 120,059,061.36 × 50,329,779.68
  4. Step 4: Simplify right side
    87,006,061.28x = 6,042,546,106,836,401
  5. Step 5: Solve for x
    x = 6,042,546,106,836,401/87,006,061.28
  6. Step 6: Final answer
    x = 69,449,714.40

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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.