Home / 172,874,403.68-259,312,044.74-70,638,441.30

Finding the Fourth Proportional to 172,874,403.68, 259,312,044.74 and 70,638,441.30

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Solution

The fourth proportional to 172,874,403.68, 259,312,044.74 and 70,638,441.30 is: 105,957,841.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,874,403.68 : 259,312,044.74 = 70,638,441.30 : x
  2. Step 2: Convert to fraction form
    172,874,403.68/259,312,044.74 = 70,638,441.30/x
  3. Step 3: Cross multiply
    172,874,403.68x = 259,312,044.74 × 70,638,441.30
  4. Step 4: Simplify right side
    172,874,403.68x = 18,317,398,650,396,272
  5. Step 5: Solve for x
    x = 18,317,398,650,396,272/172,874,403.68
  6. Step 6: Final answer
    x = 105,957,841.42

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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.