Home / 84,167,810.96-116,231,793.39-79,582,387.52

Finding the Fourth Proportional to 84,167,810.96, 116,231,793.39 and 79,582,387.52

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Solution

The fourth proportional to 84,167,810.96, 116,231,793.39 and 79,582,387.52 is: 109,899,539.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,167,810.96 : 116,231,793.39 = 79,582,387.52 : x
  2. Step 2: Convert to fraction form
    84,167,810.96/116,231,793.39 = 79,582,387.52/x
  3. Step 3: Cross multiply
    84,167,810.96x = 116,231,793.39 × 79,582,387.52
  4. Step 4: Simplify right side
    84,167,810.96x = 9,250,003,623,998,134
  5. Step 5: Solve for x
    x = 9,250,003,623,998,134/84,167,810.96
  6. Step 6: Final answer
    x = 109,899,539.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.