Home / 69,557,387.47-95,985,447.36-38,615,563.84

Finding the Fourth Proportional to 69,557,387.47, 95,985,447.36 and 38,615,563.84

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Solution

The fourth proportional to 69,557,387.47, 95,985,447.36 and 38,615,563.84 is: 53,287,397.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,557,387.47 : 95,985,447.36 = 38,615,563.84 : x
  2. Step 2: Convert to fraction form
    69,557,387.47/95,985,447.36 = 38,615,563.84/x
  3. Step 3: Cross multiply
    69,557,387.47x = 95,985,447.36 × 38,615,563.84
  4. Step 4: Simplify right side
    69,557,387.47x = 3,706,532,170,241,040
  5. Step 5: Solve for x
    x = 3,706,532,170,241,040/69,557,387.47
  6. Step 6: Final answer
    x = 53,287,397.72

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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.