Home / 78,666,900.30-108,555,244.20-43,857,514.80

Finding the Fourth Proportional to 78,666,900.30, 108,555,244.20 and 43,857,514.80

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Solution

The fourth proportional to 78,666,900.30, 108,555,244.20 and 43,857,514.80 is: 60,520,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,666,900.30 : 108,555,244.20 = 43,857,514.80 : x
  2. Step 2: Convert to fraction form
    78,666,900.30/108,555,244.20 = 43,857,514.80/x
  3. Step 3: Cross multiply
    78,666,900.30x = 108,555,244.20 × 43,857,514.80
  4. Step 4: Simplify right side
    78,666,900.30x = 4,760,963,229,119,114
  5. Step 5: Solve for x
    x = 4,760,963,229,119,114/78,666,900.30
  6. Step 6: Final answer
    x = 60,520,539.27

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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.