Home / 166,649,694.35-229,976,558.50-99,668,642.13

Finding the Fourth Proportional to 166,649,694.35, 229,976,558.50 and 99,668,642.13

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Solution

The fourth proportional to 166,649,694.35, 229,976,558.50 and 99,668,642.13 is: 137,542,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,649,694.35 : 229,976,558.50 = 99,668,642.13 : x
  2. Step 2: Convert to fraction form
    166,649,694.35/229,976,558.50 = 99,668,642.13/x
  3. Step 3: Cross multiply
    166,649,694.35x = 229,976,558.50 × 99,668,642.13
  4. Step 4: Simplify right side
    166,649,694.35x = 22,921,451,307,176,336
  5. Step 5: Solve for x
    x = 22,921,451,307,176,336/166,649,694.35
  6. Step 6: Final answer
    x = 137,542,714.36

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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.