Home / 98,723,344.20-148,141,719.12-77,097,238.44

Finding the Fourth Proportional to 98,723,344.20, 148,141,719.12 and 77,097,238.44

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Solution

The fourth proportional to 98,723,344.20, 148,141,719.12 and 77,097,238.44 is: 115,690,139.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,723,344.20 : 148,141,719.12 = 77,097,238.44 : x
  2. Step 2: Convert to fraction form
    98,723,344.20/148,141,719.12 = 77,097,238.44/x
  3. Step 3: Cross multiply
    98,723,344.20x = 148,141,719.12 × 77,097,238.44
  4. Step 4: Simplify right side
    98,723,344.20x = 11,421,317,441,906,146
  5. Step 5: Solve for x
    x = 11,421,317,441,906,146/98,723,344.20
  6. Step 6: Final answer
    x = 115,690,139.29

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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.