Home / 66,267,912.20-99,342,770.70-25,869,000.20

Finding the Fourth Proportional to 66,267,912.20, 99,342,770.70 and 25,869,000.20

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Solution

The fourth proportional to 66,267,912.20, 99,342,770.70 and 25,869,000.20 is: 38,780,430.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,267,912.20 : 99,342,770.70 = 25,869,000.20 : x
  2. Step 2: Convert to fraction form
    66,267,912.20/99,342,770.70 = 25,869,000.20/x
  3. Step 3: Cross multiply
    66,267,912.20x = 99,342,770.70 × 25,869,000.20
  4. Step 4: Simplify right side
    66,267,912.20x = 2,569,898,155,106,854
  5. Step 5: Solve for x
    x = 2,569,898,155,106,854/66,267,912.20
  6. Step 6: Final answer
    x = 38,780,430.37

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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.