Home / 86,654,452.76-129,989,244.78-21,958,260.11

Finding the Fourth Proportional to 86,654,452.76, 129,989,244.78 and 21,958,260.11

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Solution

The fourth proportional to 86,654,452.76, 129,989,244.78 and 21,958,260.11 is: 32,939,307.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,654,452.76 : 129,989,244.78 = 21,958,260.11 : x
  2. Step 2: Convert to fraction form
    86,654,452.76/129,989,244.78 = 21,958,260.11/x
  3. Step 3: Cross multiply
    86,654,452.76x = 129,989,244.78 × 21,958,260.11
  4. Step 4: Simplify right side
    86,654,452.76x = 2,854,337,647,731,753.50
  5. Step 5: Solve for x
    x = 2,854,337,647,731,753.50/86,654,452.76
  6. Step 6: Final answer
    x = 32,939,307.29

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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.