Home / 127,083,405.70-190,625,108.55-88,341,356.80

Finding the Fourth Proportional to 127,083,405.70, 190,625,108.55 and 88,341,356.80

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Solution

The fourth proportional to 127,083,405.70, 190,625,108.55 and 88,341,356.80 is: 132,512,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,083,405.70 : 190,625,108.55 = 88,341,356.80 : x
  2. Step 2: Convert to fraction form
    127,083,405.70/190,625,108.55 = 88,341,356.80/x
  3. Step 3: Cross multiply
    127,083,405.70x = 190,625,108.55 × 88,341,356.80
  4. Step 4: Simplify right side
    127,083,405.70x = 16,840,080,729,454,282
  5. Step 5: Solve for x
    x = 16,840,080,729,454,282/127,083,405.70
  6. Step 6: Final answer
    x = 132,512,035.20

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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.