Home / 124,982,415.30-187,445,629.35-82,152,207.30

Finding the Fourth Proportional to 124,982,415.30, 187,445,629.35 and 82,152,207.30

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Solution

The fourth proportional to 124,982,415.30, 187,445,629.35 and 82,152,207.30 is: 123,209,910.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,982,415.30 : 187,445,629.35 = 82,152,207.30 : x
  2. Step 2: Convert to fraction form
    124,982,415.30/187,445,629.35 = 82,152,207.30/x
  3. Step 3: Cross multiply
    124,982,415.30x = 187,445,629.35 × 82,152,207.30
  4. Step 4: Simplify right side
    124,982,415.30x = 15,399,072,199,840,164
  5. Step 5: Solve for x
    x = 15,399,072,199,840,164/124,982,415.30
  6. Step 6: Final answer
    x = 123,209,910.47

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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.