Home / 127,090,378.01-175,375,096.57-71,325,028.31

Finding the Fourth Proportional to 127,090,378.01, 175,375,096.57 and 71,325,028.31

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Solution

The fourth proportional to 127,090,378.01, 175,375,096.57 and 71,325,028.31 is: 98,423,137.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,090,378.01 : 175,375,096.57 = 71,325,028.31 : x
  2. Step 2: Convert to fraction form
    127,090,378.01/175,375,096.57 = 71,325,028.31/x
  3. Step 3: Cross multiply
    127,090,378.01x = 175,375,096.57 × 71,325,028.31
  4. Step 4: Simplify right side
    127,090,378.01x = 12,508,633,727,367,610
  5. Step 5: Solve for x
    x = 12,508,633,727,367,610/127,090,378.01
  6. Step 6: Final answer
    x = 98,423,137.33

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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.