Home / 141,819,674.85-212,667,729.50-75,331,553.04

Finding the Fourth Proportional to 141,819,674.85, 212,667,729.50 and 75,331,553.04

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Solution

The fourth proportional to 141,819,674.85, 212,667,729.50 and 75,331,553.04 is: 112,964,511.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,819,674.85 : 212,667,729.50 = 75,331,553.04 : x
  2. Step 2: Convert to fraction form
    141,819,674.85/212,667,729.50 = 75,331,553.04/x
  3. Step 3: Cross multiply
    141,819,674.85x = 212,667,729.50 × 75,331,553.04
  4. Step 4: Simplify right side
    141,819,674.85x = 16,020,590,344,913,952
  5. Step 5: Solve for x
    x = 16,020,590,344,913,952/141,819,674.85
  6. Step 6: Final answer
    x = 112,964,511.88

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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.