Home / 84,508,458.60-126,857,166.30-65,423,821.80

Finding the Fourth Proportional to 84,508,458.60, 126,857,166.30 and 65,423,821.80

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Solution

The fourth proportional to 84,508,458.60, 126,857,166.30 and 65,423,821.80 is: 98,208,874.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,508,458.60 : 126,857,166.30 = 65,423,821.80 : x
  2. Step 2: Convert to fraction form
    84,508,458.60/126,857,166.30 = 65,423,821.80/x
  3. Step 3: Cross multiply
    84,508,458.60x = 126,857,166.30 × 65,423,821.80
  4. Step 4: Simplify right side
    84,508,458.60x = 8,299,480,642,064,165
  5. Step 5: Solve for x
    x = 8,299,480,642,064,165/84,508,458.60
  6. Step 6: Final answer
    x = 98,208,874.94

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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.