Home / 126,491,692,553.85-189,730,856,386.90-41,490,290,375.78

Finding the Fourth Proportional to 126,491,692,553.85, 189,730,856,386.90 and 41,490,290,375.78

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Solution

The fourth proportional to 126,491,692,553.85, 189,730,856,386.90 and 41,490,290,375.78 is: 62,233,243,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,491,692,553.85 : 189,730,856,386.90 = 41,490,290,375.78 : x
  2. Step 2: Convert to fraction form
    126,491,692,553.85/189,730,856,386.90 = 41,490,290,375.78/x
  3. Step 3: Cross multiply
    126,491,692,553.85x = 189,730,856,386.90 × 41,490,290,375.78
  4. Step 4: Simplify right side
    126,491,692,553.85x = 7,871,988,324,736,945,881,088
  5. Step 5: Solve for x
    x = 7,871,988,324,736,945,881,088/126,491,692,553.85
  6. Step 6: Final answer
    x = 62,233,243,668.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.