Home / 72,578,843.60-108,868,265.40-49,904,027.60

Finding the Fourth Proportional to 72,578,843.60, 108,868,265.40 and 49,904,027.60

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Solution

The fourth proportional to 72,578,843.60, 108,868,265.40 and 49,904,027.60 is: 74,856,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,578,843.60 : 108,868,265.40 = 49,904,027.60 : x
  2. Step 2: Convert to fraction form
    72,578,843.60/108,868,265.40 = 49,904,027.60/x
  3. Step 3: Cross multiply
    72,578,843.60x = 108,868,265.40 × 49,904,027.60
  4. Step 4: Simplify right side
    72,578,843.60x = 5,432,964,921,285,725
  5. Step 5: Solve for x
    x = 5,432,964,921,285,725/72,578,843.60
  6. Step 6: Final answer
    x = 74,856,041.40

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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.