Home / 98,151,493.80-147,546,105.30-84,121,451.40

Finding the Fourth Proportional to 98,151,493.80, 147,546,105.30 and 84,121,451.40

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Solution

The fourth proportional to 98,151,493.80, 147,546,105.30 and 84,121,451.40 is: 126,455,462.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,151,493.80 : 147,546,105.30 = 84,121,451.40 : x
  2. Step 2: Convert to fraction form
    98,151,493.80/147,546,105.30 = 84,121,451.40/x
  3. Step 3: Cross multiply
    98,151,493.80x = 147,546,105.30 × 84,121,451.40
  4. Step 4: Simplify right side
    98,151,493.80x = 12,411,792,526,253,234
  5. Step 5: Solve for x
    x = 12,411,792,526,253,234/98,151,493.80
  6. Step 6: Final answer
    x = 126,455,462.32

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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.