Home / 123,806,561.70-185,268,943.35-107,808,219.30

Finding the Fourth Proportional to 123,806,561.70, 185,268,943.35 and 107,808,219.30

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Solution

The fourth proportional to 123,806,561.70, 185,268,943.35 and 107,808,219.30 is: 161,328,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,806,561.70 : 185,268,943.35 = 107,808,219.30 : x
  2. Step 2: Convert to fraction form
    123,806,561.70/185,268,943.35 = 107,808,219.30/x
  3. Step 3: Cross multiply
    123,806,561.70x = 185,268,943.35 × 107,808,219.30
  4. Step 4: Simplify right side
    123,806,561.70x = 19,973,514,874,156,076
  5. Step 5: Solve for x
    x = 19,973,514,874,156,076/123,806,561.70
  6. Step 6: Final answer
    x = 161,328,402.95

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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.