Home / 75,442,902.78-113,165,403.90-21,590,214.78

Finding the Fourth Proportional to 75,442,902.78, 113,165,403.90 and 21,590,214.78

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Solution

The fourth proportional to 75,442,902.78, 113,165,403.90 and 21,590,214.78 is: 32,385,622.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,442,902.78 : 113,165,403.90 = 21,590,214.78 : x
  2. Step 2: Convert to fraction form
    75,442,902.78/113,165,403.90 = 21,590,214.78/x
  3. Step 3: Cross multiply
    75,442,902.78x = 113,165,403.90 × 21,590,214.78
  4. Step 4: Simplify right side
    75,442,902.78x = 2,443,265,375,866,450
  5. Step 5: Solve for x
    x = 2,443,265,375,866,450/75,442,902.78
  6. Step 6: Final answer
    x = 32,385,622.58

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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.