Home / 342,981,147.87-513,358,648.14-185,194,816.19

Finding the Fourth Proportional to 342,981,147.87, 513,358,648.14 and 185,194,816.19

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Solution

The fourth proportional to 342,981,147.87, 513,358,648.14 and 185,194,816.19 is: 277,191,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,981,147.87 : 513,358,648.14 = 185,194,816.19 : x
  2. Step 2: Convert to fraction form
    342,981,147.87/513,358,648.14 = 185,194,816.19/x
  3. Step 3: Cross multiply
    342,981,147.87x = 513,358,648.14 × 185,194,816.19
  4. Step 4: Simplify right side
    342,981,147.87x = 95,071,360,480,849,872
  5. Step 5: Solve for x
    x = 95,071,360,480,849,872/342,981,147.87
  6. Step 6: Final answer
    x = 277,191,213.20

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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.