Home / 123,385,876.57-183,975,713.38-119,995,947.33

Finding the Fourth Proportional to 123,385,876.57, 183,975,713.38 and 119,995,947.33

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Solution

The fourth proportional to 123,385,876.57, 183,975,713.38 and 119,995,947.33 is: 178,921,126.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,385,876.57 : 183,975,713.38 = 119,995,947.33 : x
  2. Step 2: Convert to fraction form
    123,385,876.57/183,975,713.38 = 119,995,947.33/x
  3. Step 3: Cross multiply
    123,385,876.57x = 183,975,713.38 × 119,995,947.33
  4. Step 4: Simplify right side
    123,385,876.57x = 22,076,340,012,745,656
  5. Step 5: Solve for x
    x = 22,076,340,012,745,656/123,385,876.57
  6. Step 6: Final answer
    x = 178,921,126.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.