Home / 87,120,967.20-130,723,441.20-61,506,823.20

Finding the Fourth Proportional to 87,120,967.20, 130,723,441.20 and 61,506,823.20

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Solution

The fourth proportional to 87,120,967.20, 130,723,441.20 and 61,506,823.20 is: 92,289,879.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,120,967.20 : 130,723,441.20 = 61,506,823.20 : x
  2. Step 2: Convert to fraction form
    87,120,967.20/130,723,441.20 = 61,506,823.20/x
  3. Step 3: Cross multiply
    87,120,967.20x = 130,723,441.20 × 61,506,823.20
  4. Step 4: Simplify right side
    87,120,967.20x = 8,040,383,585,983,996
  5. Step 5: Solve for x
    x = 8,040,383,585,983,996/87,120,967.20
  6. Step 6: Final answer
    x = 92,289,879.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.