Home / 89,000,912.70-122,727,663-65,844,256.86

Finding the Fourth Proportional to 89,000,912.70, 122,727,663 and 65,844,256.86

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Solution

The fourth proportional to 89,000,912.70, 122,727,663 and 65,844,256.86 is: 90,795,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,000,912.70 : 122,727,663 = 65,844,256.86 : x
  2. Step 2: Convert to fraction form
    89,000,912.70/122,727,663 = 65,844,256.86/x
  3. Step 3: Cross multiply
    89,000,912.70x = 122,727,663 × 65,844,256.86
  4. Step 4: Simplify right side
    89,000,912.70x = 8,080,911,766,399,518
  5. Step 5: Solve for x
    x = 8,080,911,766,399,518/89,000,912.70
  6. Step 6: Final answer
    x = 90,795,830.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.