Home / 144,126,118.65-198,908,268.80-82,255,713.69

Finding the Fourth Proportional to 144,126,118.65, 198,908,268.80 and 82,255,713.69

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Solution

The fourth proportional to 144,126,118.65, 198,908,268.80 and 82,255,713.69 is: 113,521,003.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,126,118.65 : 198,908,268.80 = 82,255,713.69 : x
  2. Step 2: Convert to fraction form
    144,126,118.65/198,908,268.80 = 82,255,713.69/x
  3. Step 3: Cross multiply
    144,126,118.65x = 198,908,268.80 × 82,255,713.69
  4. Step 4: Simplify right side
    144,126,118.65x = 16,361,341,608,575,080
  5. Step 5: Solve for x
    x = 16,361,341,608,575,080/144,126,118.65
  6. Step 6: Final answer
    x = 113,521,003.42

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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.