Home / 126,491,692,505.40-189,730,856,318.64-41,490,290,325.08

Finding the Fourth Proportional to 126,491,692,505.40, 189,730,856,318.64 and 41,490,290,325.08

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Solution

The fourth proportional to 126,491,692,505.40, 189,730,856,318.64 and 41,490,290,325.08 is: 62,233,243,593.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,491,692,505.40 : 189,730,856,318.64 = 41,490,290,325.08 : x
  2. Step 2: Convert to fraction form
    126,491,692,505.40/189,730,856,318.64 = 41,490,290,325.08/x
  3. Step 3: Cross multiply
    126,491,692,505.40x = 189,730,856,318.64 × 41,490,290,325.08
  4. Step 4: Simplify right side
    126,491,692,505.40x = 7,871,988,312,286,982,832,128
  5. Step 5: Solve for x
    x = 7,871,988,312,286,982,832,128/126,491,692,505.40
  6. Step 6: Final answer
    x = 62,233,243,593.85

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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.