Home / 161,962,253,916.80-223,423,172,581.60-100,143,062,449.37

Finding the Fourth Proportional to 161,962,253,916.80, 223,423,172,581.60 and 100,143,062,449.37

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Solution

The fourth proportional to 161,962,253,916.80, 223,423,172,581.60 and 100,143,062,449.37 is: 138,145,031,841.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,962,253,916.80 : 223,423,172,581.60 = 100,143,062,449.37 : x
  2. Step 2: Convert to fraction form
    161,962,253,916.80/223,423,172,581.60 = 100,143,062,449.37/x
  3. Step 3: Cross multiply
    161,962,253,916.80x = 223,423,172,581.60 × 100,143,062,449.37
  4. Step 4: Simplify right side
    161,962,253,916.80x = 22,374,280,724,475,541,454,848
  5. Step 5: Solve for x
    x = 22,374,280,724,475,541,454,848/161,962,253,916.80
  6. Step 6: Final answer
    x = 138,145,031,841.61

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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.