Home / 71,756,464.80-107,617,201.20-20,633,152.80

Finding the Fourth Proportional to 71,756,464.80, 107,617,201.20 and 20,633,152.80

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Solution

The fourth proportional to 71,756,464.80, 107,617,201.20 and 20,633,152.80 is: 30,944,698.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,756,464.80 : 107,617,201.20 = 20,633,152.80 : x
  2. Step 2: Convert to fraction form
    71,756,464.80/107,617,201.20 = 20,633,152.80/x
  3. Step 3: Cross multiply
    71,756,464.80x = 107,617,201.20 × 20,633,152.80
  4. Step 4: Simplify right side
    71,756,464.80x = 2,220,482,156,267,943.50
  5. Step 5: Solve for x
    x = 2,220,482,156,267,943.50/71,756,464.80
  6. Step 6: Final answer
    x = 30,944,698.33

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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.