Home / 87,048,325-120,126,686.07-47,889,258.94

Finding the Fourth Proportional to 87,048,325, 120,126,686.07 and 47,889,258.94

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Solution

The fourth proportional to 87,048,325, 120,126,686.07 and 47,889,258.94 is: 66,087,176.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,048,325 : 120,126,686.07 = 47,889,258.94 : x
  2. Step 2: Convert to fraction form
    87,048,325/120,126,686.07 = 47,889,258.94/x
  3. Step 3: Cross multiply
    87,048,325x = 120,126,686.07 × 47,889,258.94
  4. Step 4: Simplify right side
    87,048,325x = 5,752,777,974,810,320
  5. Step 5: Solve for x
    x = 5,752,777,974,810,320/87,048,325
  6. Step 6: Final answer
    x = 66,087,176.00

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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.