Home / 161,781,138-223,258,757.76-88,442,280

Finding the Fourth Proportional to 161,781,138, 223,258,757.76 and 88,442,280

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Solution

The fourth proportional to 161,781,138, 223,258,757.76 and 88,442,280 is: 122,050,776.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,781,138 : 223,258,757.76 = 88,442,280 : x
  2. Step 2: Convert to fraction form
    161,781,138/223,258,757.76 = 88,442,280/x
  3. Step 3: Cross multiply
    161,781,138x = 223,258,757.76 × 88,442,280
  4. Step 4: Simplify right side
    161,781,138x = 19,745,513,566,262,092
  5. Step 5: Solve for x
    x = 19,745,513,566,262,092/161,781,138
  6. Step 6: Final answer
    x = 122,050,776.81

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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.