Home / 66,448,540.20-99,672,810.30-60,390,112.80

Finding the Fourth Proportional to 66,448,540.20, 99,672,810.30 and 60,390,112.80

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Solution

The fourth proportional to 66,448,540.20, 99,672,810.30 and 60,390,112.80 is: 90,585,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,448,540.20 : 99,672,810.30 = 60,390,112.80 : x
  2. Step 2: Convert to fraction form
    66,448,540.20/99,672,810.30 = 60,390,112.80/x
  3. Step 3: Cross multiply
    66,448,540.20x = 99,672,810.30 × 60,390,112.80
  4. Step 4: Simplify right side
    66,448,540.20x = 6,019,252,257,110,001
  5. Step 5: Solve for x
    x = 6,019,252,257,110,001/66,448,540.20
  6. Step 6: Final answer
    x = 90,585,169.20

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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.