Home / 124,982,415.80-187,445,630.10-82,152,207.80

Finding the Fourth Proportional to 124,982,415.80, 187,445,630.10 and 82,152,207.80

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Solution

The fourth proportional to 124,982,415.80, 187,445,630.10 and 82,152,207.80 is: 123,209,911.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,982,415.80 : 187,445,630.10 = 82,152,207.80 : x
  2. Step 2: Convert to fraction form
    124,982,415.80/187,445,630.10 = 82,152,207.80/x
  3. Step 3: Cross multiply
    124,982,415.80x = 187,445,630.10 × 82,152,207.80
  4. Step 4: Simplify right side
    124,982,415.80x = 15,399,072,355,177,134
  5. Step 5: Solve for x
    x = 15,399,072,355,177,134/124,982,415.80
  6. Step 6: Final answer
    x = 123,209,911.22

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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.