Home / 69,282,479.20-103,923,718.80-53,158,165.60

Finding the Fourth Proportional to 69,282,479.20, 103,923,718.80 and 53,158,165.60

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Solution

The fourth proportional to 69,282,479.20, 103,923,718.80 and 53,158,165.60 is: 79,737,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,282,479.20 : 103,923,718.80 = 53,158,165.60 : x
  2. Step 2: Convert to fraction form
    69,282,479.20/103,923,718.80 = 53,158,165.60/x
  3. Step 3: Cross multiply
    69,282,479.20x = 103,923,718.80 × 53,158,165.60
  4. Step 4: Simplify right side
    69,282,479.20x = 5,524,394,253,738,233
  5. Step 5: Solve for x
    x = 5,524,394,253,738,233/69,282,479.20
  6. Step 6: Final answer
    x = 79,737,248.40

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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.