Home / 65,739,470.39-90,712,494.38-37,871,202.58

Finding the Fourth Proportional to 65,739,470.39, 90,712,494.38 and 37,871,202.58

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Solution

The fourth proportional to 65,739,470.39, 90,712,494.38 and 37,871,202.58 is: 52,257,665.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,739,470.39 : 90,712,494.38 = 37,871,202.58 : x
  2. Step 2: Convert to fraction form
    65,739,470.39/90,712,494.38 = 37,871,202.58/x
  3. Step 3: Cross multiply
    65,739,470.39x = 90,712,494.38 × 37,871,202.58
  4. Step 4: Simplify right side
    65,739,470.39x = 3,435,391,251,069,988
  5. Step 5: Solve for x
    x = 3,435,391,251,069,988/65,739,470.39
  6. Step 6: Final answer
    x = 52,257,665.46

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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.