Home / 48,439,679.33-66,792,454.71-39,591,678.76

Finding the Fourth Proportional to 48,439,679.33, 66,792,454.71 and 39,591,678.76

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Solution

The fourth proportional to 48,439,679.33, 66,792,454.71 and 39,591,678.76 is: 54,592,132.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,439,679.33 : 66,792,454.71 = 39,591,678.76 : x
  2. Step 2: Convert to fraction form
    48,439,679.33/66,792,454.71 = 39,591,678.76/x
  3. Step 3: Cross multiply
    48,439,679.33x = 66,792,454.71 × 39,591,678.76
  4. Step 4: Simplify right side
    48,439,679.33x = 2,644,425,410,154,798.50
  5. Step 5: Solve for x
    x = 2,644,425,410,154,798.50/48,439,679.33
  6. Step 6: Final answer
    x = 54,592,132.87

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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.