Home / 137,989,943.10-206,940,126.30-45,848,936.04

Finding the Fourth Proportional to 137,989,943.10, 206,940,126.30 and 45,848,936.04

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Solution

The fourth proportional to 137,989,943.10, 206,940,126.30 and 45,848,936.04 is: 68,758,522.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,989,943.10 : 206,940,126.30 = 45,848,936.04 : x
  2. Step 2: Convert to fraction form
    137,989,943.10/206,940,126.30 = 45,848,936.04/x
  3. Step 3: Cross multiply
    137,989,943.10x = 206,940,126.30 × 45,848,936.04
  4. Step 4: Simplify right side
    137,989,943.10x = 9,487,984,614,838,222
  5. Step 5: Solve for x
    x = 9,487,984,614,838,222/137,989,943.10
  6. Step 6: Final answer
    x = 68,758,522.55

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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.