Home / 123,806,555.70-185,268,934.35-107,808,213.30

Finding the Fourth Proportional to 123,806,555.70, 185,268,934.35 and 107,808,213.30

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Solution

The fourth proportional to 123,806,555.70, 185,268,934.35 and 107,808,213.30 is: 161,328,393.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,806,555.70 : 185,268,934.35 = 107,808,213.30 : x
  2. Step 2: Convert to fraction form
    123,806,555.70/185,268,934.35 = 107,808,213.30/x
  3. Step 3: Cross multiply
    123,806,555.70x = 185,268,934.35 × 107,808,213.30
  4. Step 4: Simplify right side
    123,806,555.70x = 19,973,512,792,268,496
  5. Step 5: Solve for x
    x = 19,973,512,792,268,496/123,806,555.70
  6. Step 6: Final answer
    x = 161,328,393.96

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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.