Home / 137,945,133.90-206,917,700.85-122,418,017.10

Finding the Fourth Proportional to 137,945,133.90, 206,917,700.85 and 122,418,017.10

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Solution

The fourth proportional to 137,945,133.90, 206,917,700.85 and 122,418,017.10 is: 183,627,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,945,133.90 : 206,917,700.85 = 122,418,017.10 : x
  2. Step 2: Convert to fraction form
    137,945,133.90/206,917,700.85 = 122,418,017.10/x
  3. Step 3: Cross multiply
    137,945,133.90x = 206,917,700.85 × 122,418,017.10
  4. Step 4: Simplify right side
    137,945,133.90x = 25,330,454,640,947,984
  5. Step 5: Solve for x
    x = 25,330,454,640,947,984/137,945,133.90
  6. Step 6: Final answer
    x = 183,627,025.65

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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.