Home / 144,436,491,773.72-216,466,267,429.14-80,691,262,797.72

Finding the Fourth Proportional to 144,436,491,773.72, 216,466,267,429.14 and 80,691,262,797.72

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Solution

The fourth proportional to 144,436,491,773.72, 216,466,267,429.14 and 80,691,262,797.72 is: 120,931,602,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,436,491,773.72 : 216,466,267,429.14 = 80,691,262,797.72 : x
  2. Step 2: Convert to fraction form
    144,436,491,773.72/216,466,267,429.14 = 80,691,262,797.72/x
  3. Step 3: Cross multiply
    144,436,491,773.72x = 216,466,267,429.14 × 80,691,262,797.72
  4. Step 4: Simplify right side
    144,436,491,773.72x = 17,466,936,471,966,273,503,232
  5. Step 5: Solve for x
    x = 17,466,936,471,966,273,503,232/144,436,491,773.72
  6. Step 6: Final answer
    x = 120,931,602,931.28

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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.