Home / 161,399,047.83-222,799,411.61-108,506,431.27

Finding the Fourth Proportional to 161,399,047.83, 222,799,411.61 and 108,506,431.27

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Solution

The fourth proportional to 161,399,047.83, 222,799,411.61 and 108,506,431.27 is: 149,785,078.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,399,047.83 : 222,799,411.61 = 108,506,431.27 : x
  2. Step 2: Convert to fraction form
    161,399,047.83/222,799,411.61 = 108,506,431.27/x
  3. Step 3: Cross multiply
    161,399,047.83x = 222,799,411.61 × 108,506,431.27
  4. Step 4: Simplify right side
    161,399,047.83x = 24,175,169,042,856,904
  5. Step 5: Solve for x
    x = 24,175,169,042,856,904/161,399,047.83
  6. Step 6: Final answer
    x = 149,785,078.46

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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.