Home / 144,436,491,789.66-216,466,267,452.87-80,691,262,813.68

Finding the Fourth Proportional to 144,436,491,789.66, 216,466,267,452.87 and 80,691,262,813.68

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Solution

The fourth proportional to 144,436,491,789.66, 216,466,267,452.87 and 80,691,262,813.68 is: 120,931,602,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,436,491,789.66 : 216,466,267,452.87 = 80,691,262,813.68 : x
  2. Step 2: Convert to fraction form
    144,436,491,789.66/216,466,267,452.87 = 80,691,262,813.68/x
  3. Step 3: Cross multiply
    144,436,491,789.66x = 216,466,267,452.87 × 80,691,262,813.68
  4. Step 4: Simplify right side
    144,436,491,789.66x = 17,466,936,477,335,876,009,984
  5. Step 5: Solve for x
    x = 17,466,936,477,335,876,009,984/144,436,491,789.66
  6. Step 6: Final answer
    x = 120,931,602,955.11

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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.