Home / 220,332,615.90-330,486,963.66-66,966,714.96

Finding the Fourth Proportional to 220,332,615.90, 330,486,963.66 and 66,966,714.96

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Solution

The fourth proportional to 220,332,615.90, 330,486,963.66 and 66,966,714.96 is: 100,446,437.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,332,615.90 : 330,486,963.66 = 66,966,714.96 : x
  2. Step 2: Convert to fraction form
    220,332,615.90/330,486,963.66 = 66,966,714.96/x
  3. Step 3: Cross multiply
    220,332,615.90x = 330,486,963.66 × 66,966,714.96
  4. Step 4: Simplify right side
    220,332,615.90x = 22,131,626,293,415,100
  5. Step 5: Solve for x
    x = 22,131,626,293,415,100/220,332,615.90
  6. Step 6: Final answer
    x = 100,446,437.32

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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.