Home / 220,147,904.80-330,221,857.20-56,385,344.80

Finding the Fourth Proportional to 220,147,904.80, 330,221,857.20 and 56,385,344.80

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Solution

The fourth proportional to 220,147,904.80, 330,221,857.20 and 56,385,344.80 is: 84,578,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,147,904.80 : 330,221,857.20 = 56,385,344.80 : x
  2. Step 2: Convert to fraction form
    220,147,904.80/330,221,857.20 = 56,385,344.80/x
  3. Step 3: Cross multiply
    220,147,904.80x = 330,221,857.20 × 56,385,344.80
  4. Step 4: Simplify right side
    220,147,904.80x = 18,619,673,278,718,360
  5. Step 5: Solve for x
    x = 18,619,673,278,718,360/220,147,904.80
  6. Step 6: Final answer
    x = 84,578,017.20

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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.