Home / 220,536,376.70-330,804,565.05-209,954,795.90

Finding the Fourth Proportional to 220,536,376.70, 330,804,565.05 and 209,954,795.90

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Solution

The fourth proportional to 220,536,376.70, 330,804,565.05 and 209,954,795.90 is: 314,932,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,536,376.70 : 330,804,565.05 = 209,954,795.90 : x
  2. Step 2: Convert to fraction form
    220,536,376.70/330,804,565.05 = 209,954,795.90/x
  3. Step 3: Cross multiply
    220,536,376.70x = 330,804,565.05 × 209,954,795.90
  4. Step 4: Simplify right side
    220,536,376.70x = 69,454,004,937,861,024
  5. Step 5: Solve for x
    x = 69,454,004,937,861,024/220,536,376.70
  6. Step 6: Final answer
    x = 314,932,193.85

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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.