Home / 129,233,945.28-178,342,628.24-70,496,610.38

Finding the Fourth Proportional to 129,233,945.28, 178,342,628.24 and 70,496,610.38

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Solution

The fourth proportional to 129,233,945.28, 178,342,628.24 and 70,496,610.38 is: 97,285,204.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,233,945.28 : 178,342,628.24 = 70,496,610.38 : x
  2. Step 2: Convert to fraction form
    129,233,945.28/178,342,628.24 = 70,496,610.38/x
  3. Step 3: Cross multiply
    129,233,945.28x = 178,342,628.24 × 70,496,610.38
  4. Step 4: Simplify right side
    129,233,945.28x = 12,572,550,777,180,464
  5. Step 5: Solve for x
    x = 12,572,550,777,180,464/129,233,945.28
  6. Step 6: Final answer
    x = 97,285,204.36

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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.