Home / 209,323,679.84-313,960,792.08-55,981,620.80

Finding the Fourth Proportional to 209,323,679.84, 313,960,792.08 and 55,981,620.80

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Solution

The fourth proportional to 209,323,679.84, 313,960,792.08 and 55,981,620.80 is: 83,965,818.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,323,679.84 : 313,960,792.08 = 55,981,620.80 : x
  2. Step 2: Convert to fraction form
    209,323,679.84/313,960,792.08 = 55,981,620.80/x
  3. Step 3: Cross multiply
    209,323,679.84x = 313,960,792.08 × 55,981,620.80
  4. Step 4: Simplify right side
    209,323,679.84x = 17,576,034,008,290,202
  5. Step 5: Solve for x
    x = 17,576,034,008,290,202/209,323,679.84
  6. Step 6: Final answer
    x = 83,965,818.02

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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.