Home / 220,586,145.20-330,879,217.80-123,840,263.60

Finding the Fourth Proportional to 220,586,145.20, 330,879,217.80 and 123,840,263.60

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Solution

The fourth proportional to 220,586,145.20, 330,879,217.80 and 123,840,263.60 is: 185,760,395.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,586,145.20 : 330,879,217.80 = 123,840,263.60 : x
  2. Step 2: Convert to fraction form
    220,586,145.20/330,879,217.80 = 123,840,263.60/x
  3. Step 3: Cross multiply
    220,586,145.20x = 330,879,217.80 × 123,840,263.60
  4. Step 4: Simplify right side
    220,586,145.20x = 40,976,169,552,113,808
  5. Step 5: Solve for x
    x = 40,976,169,552,113,808/220,586,145.20
  6. Step 6: Final answer
    x = 185,760,395.40

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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.