Home / 134,829,369.39-186,011,589.66-78,304,493.12

Finding the Fourth Proportional to 134,829,369.39, 186,011,589.66 and 78,304,493.12

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Solution

The fourth proportional to 134,829,369.39, 186,011,589.66 and 78,304,493.12 is: 108,029,454.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,829,369.39 : 186,011,589.66 = 78,304,493.12 : x
  2. Step 2: Convert to fraction form
    134,829,369.39/186,011,589.66 = 78,304,493.12/x
  3. Step 3: Cross multiply
    134,829,369.39x = 186,011,589.66 × 78,304,493.12
  4. Step 4: Simplify right side
    134,829,369.39x = 14,565,543,241,988,886
  5. Step 5: Solve for x
    x = 14,565,543,241,988,886/134,829,369.39
  6. Step 6: Final answer
    x = 108,029,454.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.