Home / 129,153,376.40-178,401,791.28-95,730,610.88

Finding the Fourth Proportional to 129,153,376.40, 178,401,791.28 and 95,730,610.88

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Solution

The fourth proportional to 129,153,376.40, 178,401,791.28 and 95,730,610.88 is: 132,234,347.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,153,376.40 : 178,401,791.28 = 95,730,610.88 : x
  2. Step 2: Convert to fraction form
    129,153,376.40/178,401,791.28 = 95,730,610.88/x
  3. Step 3: Cross multiply
    129,153,376.40x = 178,401,791.28 × 95,730,610.88
  4. Step 4: Simplify right side
    129,153,376.40x = 17,078,512,461,320,656
  5. Step 5: Solve for x
    x = 17,078,512,461,320,656/129,153,376.40
  6. Step 6: Final answer
    x = 132,234,347.54

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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.