Home / 126,491,692,551.93-189,730,856,388.49-41,490,290,371.61

Finding the Fourth Proportional to 126,491,692,551.93, 189,730,856,388.49 and 41,490,290,371.61

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Solution

The fourth proportional to 126,491,692,551.93, 189,730,856,388.49 and 41,490,290,371.61 is: 62,233,243,663.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,491,692,551.93 : 189,730,856,388.49 = 41,490,290,371.61 : x
  2. Step 2: Convert to fraction form
    126,491,692,551.93/189,730,856,388.49 = 41,490,290,371.61/x
  3. Step 3: Cross multiply
    126,491,692,551.93x = 189,730,856,388.49 × 41,490,290,371.61
  4. Step 4: Simplify right side
    126,491,692,551.93x = 7,871,988,324,012,686,049,280
  5. Step 5: Solve for x
    x = 7,871,988,324,012,686,049,280/126,491,692,551.93
  6. Step 6: Final answer
    x = 62,233,243,663.66

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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.