Home / 87,119,614.40-120,232,095.12-49,953,352.40

Finding the Fourth Proportional to 87,119,614.40, 120,232,095.12 and 49,953,352.40

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Solution

The fourth proportional to 87,119,614.40, 120,232,095.12 and 49,953,352.40 is: 68,939,655.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,119,614.40 : 120,232,095.12 = 49,953,352.40 : x
  2. Step 2: Convert to fraction form
    87,119,614.40/120,232,095.12 = 49,953,352.40/x
  3. Step 3: Cross multiply
    87,119,614.40x = 120,232,095.12 × 49,953,352.40
  4. Step 4: Simplify right side
    87,119,614.40x = 6,005,996,217,319,680
  5. Step 5: Solve for x
    x = 6,005,996,217,319,680/87,119,614.40
  6. Step 6: Final answer
    x = 68,939,655.65

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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.