Home / 124,873,641.80-172,321,884.62-69,121,347.47

Finding the Fourth Proportional to 124,873,641.80, 172,321,884.62 and 69,121,347.47

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Solution

The fourth proportional to 124,873,641.80, 172,321,884.62 and 69,121,347.47 is: 95,385,388.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,873,641.80 : 172,321,884.62 = 69,121,347.47 : x
  2. Step 2: Convert to fraction form
    124,873,641.80/172,321,884.62 = 69,121,347.47/x
  3. Step 3: Cross multiply
    124,873,641.80x = 172,321,884.62 × 69,121,347.47
  4. Step 4: Simplify right side
    124,873,641.80x = 11,911,120,863,202,466
  5. Step 5: Solve for x
    x = 11,911,120,863,202,466/124,873,641.80
  6. Step 6: Final answer
    x = 95,385,388.71

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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.