Home / 209,744,581.13-314,525,516.16-60,145,989.42

Finding the Fourth Proportional to 209,744,581.13, 314,525,516.16 and 60,145,989.42

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Solution

The fourth proportional to 209,744,581.13, 314,525,516.16 and 60,145,989.42 is: 90,192,787.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,744,581.13 : 314,525,516.16 = 60,145,989.42 : x
  2. Step 2: Convert to fraction form
    209,744,581.13/314,525,516.16 = 60,145,989.42/x
  3. Step 3: Cross multiply
    209,744,581.13x = 314,525,516.16 × 60,145,989.42
  4. Step 4: Simplify right side
    209,744,581.13x = 18,917,448,367,279,400
  5. Step 5: Solve for x
    x = 18,917,448,367,279,400/209,744,581.13
  6. Step 6: Final answer
    x = 90,192,787.18

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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.