Home / 144,436,491,789.15-216,466,267,452.12-80,691,262,813.18

Finding the Fourth Proportional to 144,436,491,789.15, 216,466,267,452.12 and 80,691,262,813.18

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Solution

The fourth proportional to 144,436,491,789.15, 216,466,267,452.12 and 80,691,262,813.18 is: 120,931,602,954.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,436,491,789.15 : 216,466,267,452.12 = 80,691,262,813.18 : x
  2. Step 2: Convert to fraction form
    144,436,491,789.15/216,466,267,452.12 = 80,691,262,813.18/x
  3. Step 3: Cross multiply
    144,436,491,789.15x = 216,466,267,452.12 × 80,691,262,813.18
  4. Step 4: Simplify right side
    144,436,491,789.15x = 17,466,936,477,167,124,480,000
  5. Step 5: Solve for x
    x = 17,466,936,477,167,124,480,000/144,436,491,789.15
  6. Step 6: Final answer
    x = 120,931,602,954.37

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1.5x scale

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.