Home / 220,167,528.30-330,251,292.45-66,813,338.70

Finding the Fourth Proportional to 220,167,528.30, 330,251,292.45 and 66,813,338.70

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Solution

The fourth proportional to 220,167,528.30, 330,251,292.45 and 66,813,338.70 is: 100,220,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,167,528.30 : 330,251,292.45 = 66,813,338.70 : x
  2. Step 2: Convert to fraction form
    220,167,528.30/330,251,292.45 = 66,813,338.70/x
  3. Step 3: Cross multiply
    220,167,528.30x = 330,251,292.45 × 66,813,338.70
  4. Step 4: Simplify right side
    220,167,528.30x = 22,065,191,458,574,604
  5. Step 5: Solve for x
    x = 22,065,191,458,574,604/220,167,528.30
  6. Step 6: Final answer
    x = 100,220,008.05

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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.