Home / 172,874,404.68-259,312,046.24-70,638,442.30

Finding the Fourth Proportional to 172,874,404.68, 259,312,046.24 and 70,638,442.30

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Solution

The fourth proportional to 172,874,404.68, 259,312,046.24 and 70,638,442.30 is: 105,957,842.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,874,404.68 : 259,312,046.24 = 70,638,442.30 : x
  2. Step 2: Convert to fraction form
    172,874,404.68/259,312,046.24 = 70,638,442.30/x
  3. Step 3: Cross multiply
    172,874,404.68x = 259,312,046.24 × 70,638,442.30
  4. Step 4: Simplify right side
    172,874,404.68x = 18,317,399,015,665,980
  5. Step 5: Solve for x
    x = 18,317,399,015,665,980/172,874,404.68
  6. Step 6: Final answer
    x = 105,957,842.92

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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.