Home / 87,170,605.38-120,341,600.37-67,547,441.70

Finding the Fourth Proportional to 87,170,605.38, 120,341,600.37 and 67,547,441.70

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Solution

The fourth proportional to 87,170,605.38, 120,341,600.37 and 67,547,441.70 is: 93,251,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,170,605.38 : 120,341,600.37 = 67,547,441.70 : x
  2. Step 2: Convert to fraction form
    87,170,605.38/120,341,600.37 = 67,547,441.70/x
  3. Step 3: Cross multiply
    87,170,605.38x = 120,341,600.37 × 67,547,441.70
  4. Step 4: Simplify right side
    87,170,605.38x = 8,128,767,235,077,274
  5. Step 5: Solve for x
    x = 8,128,767,235,077,274/87,170,605.38
  6. Step 6: Final answer
    x = 93,251,242.20

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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.