Home / 119,366,138.39-179,038,951.25-72,667,504.64

Finding the Fourth Proportional to 119,366,138.39, 179,038,951.25 and 72,667,504.64

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Solution

The fourth proportional to 119,366,138.39, 179,038,951.25 and 72,667,504.64 is: 108,995,013.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,366,138.39 : 179,038,951.25 = 72,667,504.64 : x
  2. Step 2: Convert to fraction form
    119,366,138.39/179,038,951.25 = 72,667,504.64/x
  3. Step 3: Cross multiply
    119,366,138.39x = 179,038,951.25 × 72,667,504.64
  4. Step 4: Simplify right side
    119,366,138.39x = 13,010,313,819,441,578
  5. Step 5: Solve for x
    x = 13,010,313,819,441,578/119,366,138.39
  6. Step 6: Final answer
    x = 108,995,013.12

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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.