Home / 129,378,603.79-193,954,531.60-48,656,258.83

Finding the Fourth Proportional to 129,378,603.79, 193,954,531.60 and 48,656,258.83

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Solution

The fourth proportional to 129,378,603.79, 193,954,531.60 and 48,656,258.83 is: 72,941,750.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,378,603.79 : 193,954,531.60 = 48,656,258.83 : x
  2. Step 2: Convert to fraction form
    129,378,603.79/193,954,531.60 = 48,656,258.83/x
  3. Step 3: Cross multiply
    129,378,603.79x = 193,954,531.60 × 48,656,258.83
  4. Step 4: Simplify right side
    129,378,603.79x = 9,437,101,890,781,014
  5. Step 5: Solve for x
    x = 9,437,101,890,781,014/129,378,603.79
  6. Step 6: Final answer
    x = 72,941,750.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.