Home / 157,831,480.20-236,747,220.30-129,487,960.20

Finding the Fourth Proportional to 157,831,480.20, 236,747,220.30 and 129,487,960.20

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Solution

The fourth proportional to 157,831,480.20, 236,747,220.30 and 129,487,960.20 is: 194,231,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,831,480.20 : 236,747,220.30 = 129,487,960.20 : x
  2. Step 2: Convert to fraction form
    157,831,480.20/236,747,220.30 = 129,487,960.20/x
  3. Step 3: Cross multiply
    157,831,480.20x = 236,747,220.30 × 129,487,960.20
  4. Step 4: Simplify right side
    157,831,480.20x = 30,655,914,639,667,036
  5. Step 5: Solve for x
    x = 30,655,914,639,667,036/157,831,480.20
  6. Step 6: Final answer
    x = 194,231,940.30

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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.