Home / 74,703,201.37-112,022,257.21-39,680,650.80

Finding the Fourth Proportional to 74,703,201.37, 112,022,257.21 and 39,680,650.80

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Solution

The fourth proportional to 74,703,201.37, 112,022,257.21 and 39,680,650.80 is: 59,503,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,703,201.37 : 112,022,257.21 = 39,680,650.80 : x
  2. Step 2: Convert to fraction form
    74,703,201.37/112,022,257.21 = 39,680,650.80/x
  3. Step 3: Cross multiply
    74,703,201.37x = 112,022,257.21 × 39,680,650.80
  4. Step 4: Simplify right side
    74,703,201.37x = 4,445,116,070,177,791.50
  5. Step 5: Solve for x
    x = 4,445,116,070,177,791.50/74,703,201.37
  6. Step 6: Final answer
    x = 59,503,689.11

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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.