Home / 293,723,872.80-440,585,809.20-140,668,864.80

Finding the Fourth Proportional to 293,723,872.80, 440,585,809.20 and 140,668,864.80

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Solution

The fourth proportional to 293,723,872.80, 440,585,809.20 and 140,668,864.80 is: 211,003,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,723,872.80 : 440,585,809.20 = 140,668,864.80 : x
  2. Step 2: Convert to fraction form
    293,723,872.80/440,585,809.20 = 140,668,864.80/x
  3. Step 3: Cross multiply
    293,723,872.80x = 440,585,809.20 × 140,668,864.80
  4. Step 4: Simplify right side
    293,723,872.80x = 61,976,705,627,153,400
  5. Step 5: Solve for x
    x = 61,976,705,627,153,400/293,723,872.80
  6. Step 6: Final answer
    x = 211,003,297.20

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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.