Home / 250,217,330.43-345,299,908.52-138,707,888.67

Finding the Fourth Proportional to 250,217,330.43, 345,299,908.52 and 138,707,888.67

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Solution

The fourth proportional to 250,217,330.43, 345,299,908.52 and 138,707,888.67 is: 191,416,882.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,217,330.43 : 345,299,908.52 = 138,707,888.67 : x
  2. Step 2: Convert to fraction form
    250,217,330.43/345,299,908.52 = 138,707,888.67/x
  3. Step 3: Cross multiply
    250,217,330.43x = 345,299,908.52 × 138,707,888.67
  4. Step 4: Simplify right side
    250,217,330.43x = 47,895,821,268,059,800
  5. Step 5: Solve for x
    x = 47,895,821,268,059,800/250,217,330.43
  6. Step 6: Final answer
    x = 191,416,882.22

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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.