Home / 84,508,421.10-126,857,110.05-65,423,784.30

Finding the Fourth Proportional to 84,508,421.10, 126,857,110.05 and 65,423,784.30

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Solution

The fourth proportional to 84,508,421.10, 126,857,110.05 and 65,423,784.30 is: 98,208,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,508,421.10 : 126,857,110.05 = 65,423,784.30 : x
  2. Step 2: Convert to fraction form
    84,508,421.10/126,857,110.05 = 65,423,784.30/x
  3. Step 3: Cross multiply
    84,508,421.10x = 126,857,110.05 × 65,423,784.30
  4. Step 4: Simplify right side
    84,508,421.10x = 8,299,472,204,832,562
  5. Step 5: Solve for x
    x = 8,299,472,204,832,562/84,508,421.10
  6. Step 6: Final answer
    x = 98,208,818.68

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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.