Home / 268,671,494.40-402,992,082.72-119,062,869.04

Finding the Fourth Proportional to 268,671,494.40, 402,992,082.72 and 119,062,869.04

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Solution

The fourth proportional to 268,671,494.40, 402,992,082.72 and 119,062,869.04 is: 178,587,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,671,494.40 : 402,992,082.72 = 119,062,869.04 : x
  2. Step 2: Convert to fraction form
    268,671,494.40/402,992,082.72 = 119,062,869.04/x
  3. Step 3: Cross multiply
    268,671,494.40x = 402,992,082.72 × 119,062,869.04
  4. Step 4: Simplify right side
    268,671,494.40x = 47,981,393,569,048,216
  5. Step 5: Solve for x
    x = 47,981,393,569,048,216/268,671,494.40
  6. Step 6: Final answer
    x = 178,587,585.84

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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.