Home / 161,962,253,916.55-223,423,172,581.25-100,143,062,449.12

Finding the Fourth Proportional to 161,962,253,916.55, 223,423,172,581.25 and 100,143,062,449.12

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Solution

The fourth proportional to 161,962,253,916.55, 223,423,172,581.25 and 100,143,062,449.12 is: 138,145,031,841.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,962,253,916.55 : 223,423,172,581.25 = 100,143,062,449.12 : x
  2. Step 2: Convert to fraction form
    161,962,253,916.55/223,423,172,581.25 = 100,143,062,449.12/x
  3. Step 3: Cross multiply
    161,962,253,916.55x = 223,423,172,581.25 × 100,143,062,449.12
  4. Step 4: Simplify right side
    161,962,253,916.55x = 22,374,280,724,384,634,109,952
  5. Step 5: Solve for x
    x = 22,374,280,724,384,634,109,952/161,962,253,916.55
  6. Step 6: Final answer
    x = 138,145,031,841.26

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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.