Home / 39,752,988-55,080,474.40-38,892,053.58

Finding the Fourth Proportional to 39,752,988, 55,080,474.40 and 38,892,053.58

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Solution

The fourth proportional to 39,752,988, 55,080,474.40 and 38,892,053.58 is: 53,887,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,752,988 : 55,080,474.40 = 38,892,053.58 : x
  2. Step 2: Convert to fraction form
    39,752,988/55,080,474.40 = 38,892,053.58/x
  3. Step 3: Cross multiply
    39,752,988x = 55,080,474.40 × 38,892,053.58
  4. Step 4: Simplify right side
    39,752,988x = 2,142,192,761,576,618.25
  5. Step 5: Solve for x
    x = 2,142,192,761,576,618.25/39,752,988
  6. Step 6: Final answer
    x = 53,887,591.08

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.