Home / 126,180,309.04-174,129,067.44-69,665,164.24

Finding the Fourth Proportional to 126,180,309.04, 174,129,067.44 and 69,665,164.24

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Solution

The fourth proportional to 126,180,309.04, 174,129,067.44 and 69,665,164.24 is: 96,138,059.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,180,309.04 : 174,129,067.44 = 69,665,164.24 : x
  2. Step 2: Convert to fraction form
    126,180,309.04/174,129,067.44 = 69,665,164.24/x
  3. Step 3: Cross multiply
    126,180,309.04x = 174,129,067.44 × 69,665,164.24
  4. Step 4: Simplify right side
    126,180,309.04x = 12,130,730,082,165,636
  5. Step 5: Solve for x
    x = 12,130,730,082,165,636/126,180,309.04
  6. Step 6: Final answer
    x = 96,138,059.69

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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.