Home / 66,434,233.80-99,757,638.90-50,278,427.40

Finding the Fourth Proportional to 66,434,233.80, 99,757,638.90 and 50,278,427.40

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Solution

The fourth proportional to 66,434,233.80, 99,757,638.90 and 50,278,427.40 is: 75,498,081.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,233.80 : 99,757,638.90 = 50,278,427.40 : x
  2. Step 2: Convert to fraction form
    66,434,233.80/99,757,638.90 = 50,278,427.40/x
  3. Step 3: Cross multiply
    66,434,233.80x = 99,757,638.90 × 50,278,427.40
  4. Step 4: Simplify right side
    66,434,233.80x = 5,015,657,205,029,066
  5. Step 5: Solve for x
    x = 5,015,657,205,029,066/66,434,233.80
  6. Step 6: Final answer
    x = 75,498,081.61

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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.