Home / 166,649,694.47-229,976,558.67-99,668,642.25

Finding the Fourth Proportional to 166,649,694.47, 229,976,558.67 and 99,668,642.25

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Solution

The fourth proportional to 166,649,694.47, 229,976,558.67 and 99,668,642.25 is: 137,542,714.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,649,694.47 : 229,976,558.67 = 99,668,642.25 : x
  2. Step 2: Convert to fraction form
    166,649,694.47/229,976,558.67 = 99,668,642.25/x
  3. Step 3: Cross multiply
    166,649,694.47x = 229,976,558.67 × 99,668,642.25
  4. Step 4: Simplify right side
    166,649,694.47x = 22,921,451,352,828,776
  5. Step 5: Solve for x
    x = 22,921,451,352,828,776/166,649,694.47
  6. Step 6: Final answer
    x = 137,542,714.53

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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.