Home / 74,781,815.10-112,172,722.65-49,251,651.90

Finding the Fourth Proportional to 74,781,815.10, 112,172,722.65 and 49,251,651.90

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Solution

The fourth proportional to 74,781,815.10, 112,172,722.65 and 49,251,651.90 is: 73,877,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,781,815.10 : 112,172,722.65 = 49,251,651.90 : x
  2. Step 2: Convert to fraction form
    74,781,815.10/112,172,722.65 = 49,251,651.90/x
  3. Step 3: Cross multiply
    74,781,815.10x = 112,172,722.65 × 49,251,651.90
  4. Step 4: Simplify right side
    74,781,815.10x = 5,524,691,888,633,046
  5. Step 5: Solve for x
    x = 5,524,691,888,633,046/74,781,815.10
  6. Step 6: Final answer
    x = 73,877,477.85

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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.