Home / 90,885,888,082.20-136,328,832,123.30-68,845,966,930.20

Finding the Fourth Proportional to 90,885,888,082.20, 136,328,832,123.30 and 68,845,966,930.20

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Solution

The fourth proportional to 90,885,888,082.20, 136,328,832,123.30 and 68,845,966,930.20 is: 103,268,950,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,885,888,082.20 : 136,328,832,123.30 = 68,845,966,930.20 : x
  2. Step 2: Convert to fraction form
    90,885,888,082.20/136,328,832,123.30 = 68,845,966,930.20/x
  3. Step 3: Cross multiply
    90,885,888,082.20x = 136,328,832,123.30 × 68,845,966,930.20
  4. Step 4: Simplify right side
    90,885,888,082.20x = 9,385,690,267,993,499,500,544
  5. Step 5: Solve for x
    x = 9,385,690,267,993,499,500,544/90,885,888,082.20
  6. Step 6: Final answer
    x = 103,268,950,395.30

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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.