Home / 70,659,324.20-105,988,986.30-65,557,490.60

Finding the Fourth Proportional to 70,659,324.20, 105,988,986.30 and 65,557,490.60

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Solution

The fourth proportional to 70,659,324.20, 105,988,986.30 and 65,557,490.60 is: 98,336,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,659,324.20 : 105,988,986.30 = 65,557,490.60 : x
  2. Step 2: Convert to fraction form
    70,659,324.20/105,988,986.30 = 65,557,490.60/x
  3. Step 3: Cross multiply
    70,659,324.20x = 105,988,986.30 × 65,557,490.60
  4. Step 4: Simplify right side
    70,659,324.20x = 6,948,371,973,065,779
  5. Step 5: Solve for x
    x = 6,948,371,973,065,779/70,659,324.20
  6. Step 6: Final answer
    x = 98,336,235.90

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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.