Home / 166,649,695.35-229,976,559.88-99,668,643.13

Finding the Fourth Proportional to 166,649,695.35, 229,976,559.88 and 99,668,643.13

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Solution

The fourth proportional to 166,649,695.35, 229,976,559.88 and 99,668,643.13 is: 137,542,715.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,649,695.35 : 229,976,559.88 = 99,668,643.13 : x
  2. Step 2: Convert to fraction form
    166,649,695.35/229,976,559.88 = 99,668,643.13/x
  3. Step 3: Cross multiply
    166,649,695.35x = 229,976,559.88 × 99,668,643.13
  4. Step 4: Simplify right side
    166,649,695.35x = 22,921,451,674,944,796
  5. Step 5: Solve for x
    x = 22,921,451,674,944,796/166,649,695.35
  6. Step 6: Final answer
    x = 137,542,715.74

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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.