Home / 123,806,558.20-185,268,938.10-107,808,215.80

Finding the Fourth Proportional to 123,806,558.20, 185,268,938.10 and 107,808,215.80

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Solution

The fourth proportional to 123,806,558.20, 185,268,938.10 and 107,808,215.80 is: 161,328,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,806,558.20 : 185,268,938.10 = 107,808,215.80 : x
  2. Step 2: Convert to fraction form
    123,806,558.20/185,268,938.10 = 107,808,215.80/x
  3. Step 3: Cross multiply
    123,806,558.20x = 185,268,938.10 × 107,808,215.80
  4. Step 4: Simplify right side
    123,806,558.20x = 19,973,513,659,721,640
  5. Step 5: Solve for x
    x = 19,973,513,659,721,640/123,806,558.20
  6. Step 6: Final answer
    x = 161,328,397.70

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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.