Home / 67,157,483.40-100,686,458.70-45,538,129.80

Finding the Fourth Proportional to 67,157,483.40, 100,686,458.70 and 45,538,129.80

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Solution

The fourth proportional to 67,157,483.40, 100,686,458.70 and 45,538,129.80 is: 68,273,449.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,157,483.40 : 100,686,458.70 = 45,538,129.80 : x
  2. Step 2: Convert to fraction form
    67,157,483.40/100,686,458.70 = 45,538,129.80/x
  3. Step 3: Cross multiply
    67,157,483.40x = 100,686,458.70 × 45,538,129.80
  4. Step 4: Simplify right side
    67,157,483.40x = 4,585,073,025,382,939
  5. Step 5: Solve for x
    x = 4,585,073,025,382,939/67,157,483.40
  6. Step 6: Final answer
    x = 68,273,449.11

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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.