Home / 66,434,251.80-99,757,665.90-50,278,445.40

Finding the Fourth Proportional to 66,434,251.80, 99,757,665.90 and 50,278,445.40

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Solution

The fourth proportional to 66,434,251.80, 99,757,665.90 and 50,278,445.40 is: 75,498,108.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,251.80 : 99,757,665.90 = 50,278,445.40 : x
  2. Step 2: Convert to fraction form
    66,434,251.80/99,757,665.90 = 50,278,445.40/x
  3. Step 3: Cross multiply
    66,434,251.80x = 99,757,665.90 × 50,278,445.40
  4. Step 4: Simplify right side
    66,434,251.80x = 5,015,660,358,184,592
  5. Step 5: Solve for x
    x = 5,015,660,358,184,592/66,434,251.80
  6. Step 6: Final answer
    x = 75,498,108.62

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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.