Home / 87,404,445.40-120,618,116.36-48,246,211.82

Finding the Fourth Proportional to 87,404,445.40, 120,618,116.36 and 48,246,211.82

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Solution

The fourth proportional to 87,404,445.40, 120,618,116.36 and 48,246,211.82 is: 66,579,762.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,404,445.40 : 120,618,116.36 = 48,246,211.82 : x
  2. Step 2: Convert to fraction form
    87,404,445.40/120,618,116.36 = 48,246,211.82/x
  3. Step 3: Cross multiply
    87,404,445.40x = 120,618,116.36 × 48,246,211.82
  4. Step 4: Simplify right side
    87,404,445.40x = 5,819,367,190,570,569
  5. Step 5: Solve for x
    x = 5,819,367,190,570,569/87,404,445.40
  6. Step 6: Final answer
    x = 66,579,762.21

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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.