Home / 231,603,591.28-347,416,559.52-76,153,957.68

Finding the Fourth Proportional to 231,603,591.28, 347,416,559.52 and 76,153,957.68

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Solution

The fourth proportional to 231,603,591.28, 347,416,559.52 and 76,153,957.68 is: 114,234,610.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,603,591.28 : 347,416,559.52 = 76,153,957.68 : x
  2. Step 2: Convert to fraction form
    231,603,591.28/347,416,559.52 = 76,153,957.68/x
  3. Step 3: Cross multiply
    231,603,591.28x = 347,416,559.52 × 76,153,957.68
  4. Step 4: Simplify right side
    231,603,591.28x = 26,457,145,971,017,284
  5. Step 5: Solve for x
    x = 26,457,145,971,017,284/231,603,591.28
  6. Step 6: Final answer
    x = 114,234,610.20

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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.