Home / 260,735,101.20-391,102,651.80-88,217,542.80

Finding the Fourth Proportional to 260,735,101.20, 391,102,651.80 and 88,217,542.80

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Solution

The fourth proportional to 260,735,101.20, 391,102,651.80 and 88,217,542.80 is: 132,326,314.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,735,101.20 : 391,102,651.80 = 88,217,542.80 : x
  2. Step 2: Convert to fraction form
    260,735,101.20/391,102,651.80 = 88,217,542.80/x
  3. Step 3: Cross multiply
    260,735,101.20x = 391,102,651.80 × 88,217,542.80
  4. Step 4: Simplify right side
    260,735,101.20x = 34,502,114,924,359,996
  5. Step 5: Solve for x
    x = 34,502,114,924,359,996/260,735,101.20
  6. Step 6: Final answer
    x = 132,326,314.20

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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.