Home / 75,715,089.60-113,572,634.40-54,216,004.80

Finding the Fourth Proportional to 75,715,089.60, 113,572,634.40 and 54,216,004.80

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Solution

The fourth proportional to 75,715,089.60, 113,572,634.40 and 54,216,004.80 is: 81,324,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,715,089.60 : 113,572,634.40 = 54,216,004.80 : x
  2. Step 2: Convert to fraction form
    75,715,089.60/113,572,634.40 = 54,216,004.80/x
  3. Step 3: Cross multiply
    75,715,089.60x = 113,572,634.40 × 54,216,004.80
  4. Step 4: Simplify right side
    75,715,089.60x = 6,157,454,491,779,045
  5. Step 5: Solve for x
    x = 6,157,454,491,779,045/75,715,089.60
  6. Step 6: Final answer
    x = 81,324,007.20

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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.