Home / 188,801,061.68-260,549,920.68-105,174,819.20

Finding the Fourth Proportional to 188,801,061.68, 260,549,920.68 and 105,174,819.20

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Solution

The fourth proportional to 188,801,061.68, 260,549,920.68 and 105,174,819.20 is: 145,143,732.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,801,061.68 : 260,549,920.68 = 105,174,819.20 : x
  2. Step 2: Convert to fraction form
    188,801,061.68/260,549,920.68 = 105,174,819.20/x
  3. Step 3: Cross multiply
    188,801,061.68x = 260,549,920.68 × 105,174,819.20
  4. Step 4: Simplify right side
    188,801,061.68x = 27,403,290,800,093,344
  5. Step 5: Solve for x
    x = 27,403,290,800,093,344/188,801,061.68
  6. Step 6: Final answer
    x = 145,143,732.54

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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.