Home / 74,252,053.20-111,333,793.05-45,518,809.80

Finding the Fourth Proportional to 74,252,053.20, 111,333,793.05 and 45,518,809.80

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Solution

The fourth proportional to 74,252,053.20, 111,333,793.05 and 45,518,809.80 is: 68,251,065.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,252,053.20 : 111,333,793.05 = 45,518,809.80 : x
  2. Step 2: Convert to fraction form
    74,252,053.20/111,333,793.05 = 45,518,809.80/x
  3. Step 3: Cross multiply
    74,252,053.20x = 111,333,793.05 × 45,518,809.80
  4. Step 4: Simplify right side
    74,252,053.20x = 5,067,781,750,155,511
  5. Step 5: Solve for x
    x = 5,067,781,750,155,511/74,252,053.20
  6. Step 6: Final answer
    x = 68,251,065.55

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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.