Home / 79,340,959.85-118,957,108.01-40,404,041.15

Finding the Fourth Proportional to 79,340,959.85, 118,957,108.01 and 40,404,041.15

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Solution

The fourth proportional to 79,340,959.85, 118,957,108.01 and 40,404,041.15 is: 60,578,393.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,340,959.85 : 118,957,108.01 = 40,404,041.15 : x
  2. Step 2: Convert to fraction form
    79,340,959.85/118,957,108.01 = 40,404,041.15/x
  3. Step 3: Cross multiply
    79,340,959.85x = 118,957,108.01 × 40,404,041.15
  4. Step 4: Simplify right side
    79,340,959.85x = 4,806,347,886,324,229
  5. Step 5: Solve for x
    x = 4,806,347,886,324,229/79,340,959.85
  6. Step 6: Final answer
    x = 60,578,393.50

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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.