Home / 85,982,730.49-118,650,793.30-47,351,562.49

Finding the Fourth Proportional to 85,982,730.49, 118,650,793.30 and 47,351,562.49

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Solution

The fourth proportional to 85,982,730.49, 118,650,793.30 and 47,351,562.49 is: 65,342,196.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,982,730.49 : 118,650,793.30 = 47,351,562.49 : x
  2. Step 2: Convert to fraction form
    85,982,730.49/118,650,793.30 = 47,351,562.49/x
  3. Step 3: Cross multiply
    85,982,730.49x = 118,650,793.30 × 47,351,562.49
  4. Step 4: Simplify right side
    85,982,730.49x = 5,618,300,453,433,023
  5. Step 5: Solve for x
    x = 5,618,300,453,433,023/85,982,730.49
  6. Step 6: Final answer
    x = 65,342,196.29

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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.