Home / 127,090,376.75-175,375,094.84-71,325,027.06

Finding the Fourth Proportional to 127,090,376.75, 175,375,094.84 and 71,325,027.06

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Solution

The fourth proportional to 127,090,376.75, 175,375,094.84 and 71,325,027.06 is: 98,423,135.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,090,376.75 : 175,375,094.84 = 71,325,027.06 : x
  2. Step 2: Convert to fraction form
    127,090,376.75/175,375,094.84 = 71,325,027.06/x
  3. Step 3: Cross multiply
    127,090,376.75x = 175,375,094.84 × 71,325,027.06
  4. Step 4: Simplify right side
    127,090,376.75x = 12,508,633,385,291,380
  5. Step 5: Solve for x
    x = 12,508,633,385,291,380/127,090,376.75
  6. Step 6: Final answer
    x = 98,423,135.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.