Home / 129,653,426.39-194,480,471.88-52,976,454.71

Finding the Fourth Proportional to 129,653,426.39, 194,480,471.88 and 52,976,454.71

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Solution

The fourth proportional to 129,653,426.39, 194,480,471.88 and 52,976,454.71 is: 79,464,817.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,653,426.39 : 194,480,471.88 = 52,976,454.71 : x
  2. Step 2: Convert to fraction form
    129,653,426.39/194,480,471.88 = 52,976,454.71/x
  3. Step 3: Cross multiply
    129,653,426.39x = 194,480,471.88 × 52,976,454.71
  4. Step 4: Simplify right side
    129,653,426.39x = 10,302,885,909,557,846
  5. Step 5: Solve for x
    x = 10,302,885,909,557,846/129,653,426.39
  6. Step 6: Final answer
    x = 79,464,817.84

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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.