Home / 87,329,139.40-130,741,766.70-87,329,139.40

Finding the Fourth Proportional to 87,329,139.40, 130,741,766.70 and 87,329,139.40

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Solution

The fourth proportional to 87,329,139.40, 130,741,766.70 and 87,329,139.40 is: 130,741,766.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,329,139.40 : 130,741,766.70 = 87,329,139.40 : x
  2. Step 2: Convert to fraction form
    87,329,139.40/130,741,766.70 = 87,329,139.40/x
  3. Step 3: Cross multiply
    87,329,139.40x = 130,741,766.70 × 87,329,139.40
  4. Step 4: Simplify right side
    87,329,139.40x = 11,417,565,969,546,580
  5. Step 5: Solve for x
    x = 11,417,565,969,546,580/87,329,139.40
  6. Step 6: Final answer
    x = 130,741,766.70

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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.