Home / 88,591,971.20-132,887,956.80-54,402,454.40

Finding the Fourth Proportional to 88,591,971.20, 132,887,956.80 and 54,402,454.40

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Solution

The fourth proportional to 88,591,971.20, 132,887,956.80 and 54,402,454.40 is: 81,603,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,591,971.20 : 132,887,956.80 = 54,402,454.40 : x
  2. Step 2: Convert to fraction form
    88,591,971.20/132,887,956.80 = 54,402,454.40/x
  3. Step 3: Cross multiply
    88,591,971.20x = 132,887,956.80 × 54,402,454.40
  4. Step 4: Simplify right side
    88,591,971.20x = 7,229,431,010,121,170
  5. Step 5: Solve for x
    x = 7,229,431,010,121,170/88,591,971.20
  6. Step 6: Final answer
    x = 81,603,681.60

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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.