Home / 71,574,052.20-98,773,500.12-39,787,206.24

Finding the Fourth Proportional to 71,574,052.20, 98,773,500.12 and 39,787,206.24

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Solution

The fourth proportional to 71,574,052.20, 98,773,500.12 and 39,787,206.24 is: 54,907,071.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,574,052.20 : 98,773,500.12 = 39,787,206.24 : x
  2. Step 2: Convert to fraction form
    71,574,052.20/98,773,500.12 = 39,787,206.24/x
  3. Step 3: Cross multiply
    71,574,052.20x = 98,773,500.12 × 39,787,206.24
  4. Step 4: Simplify right side
    71,574,052.20x = 3,929,921,620,321,105
  5. Step 5: Solve for x
    x = 3,929,921,620,321,105/71,574,052.20
  6. Step 6: Final answer
    x = 54,907,071.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.