Home / 80,876,634.30-121,314,951.45-26,289,114.30

Finding the Fourth Proportional to 80,876,634.30, 121,314,951.45 and 26,289,114.30

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Solution

The fourth proportional to 80,876,634.30, 121,314,951.45 and 26,289,114.30 is: 39,433,671.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,876,634.30 : 121,314,951.45 = 26,289,114.30 : x
  2. Step 2: Convert to fraction form
    80,876,634.30/121,314,951.45 = 26,289,114.30/x
  3. Step 3: Cross multiply
    80,876,634.30x = 121,314,951.45 × 26,289,114.30
  4. Step 4: Simplify right side
    80,876,634.30x = 3,189,262,624,968,001
  5. Step 5: Solve for x
    x = 3,189,262,624,968,001/80,876,634.30
  6. Step 6: Final answer
    x = 39,433,671.45

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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.