Home / 107,792,016.89-161,689,321.10-30,064,189.75

Finding the Fourth Proportional to 107,792,016.89, 161,689,321.10 and 30,064,189.75

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Solution

The fourth proportional to 107,792,016.89, 161,689,321.10 and 30,064,189.75 is: 45,096,646.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,792,016.89 : 161,689,321.10 = 30,064,189.75 : x
  2. Step 2: Convert to fraction form
    107,792,016.89/161,689,321.10 = 30,064,189.75/x
  3. Step 3: Cross multiply
    107,792,016.89x = 161,689,321.10 × 30,064,189.75
  4. Step 4: Simplify right side
    107,792,016.89x = 4,861,058,429,785,838
  5. Step 5: Solve for x
    x = 4,861,058,429,785,838/107,792,016.89
  6. Step 6: Final answer
    x = 45,096,646.02

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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.