Home / 220,332,594.90-330,486,932.13-66,966,693.92

Finding the Fourth Proportional to 220,332,594.90, 330,486,932.13 and 66,966,693.92

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Solution

The fourth proportional to 220,332,594.90, 330,486,932.13 and 66,966,693.92 is: 100,446,405.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,332,594.90 : 330,486,932.13 = 66,966,693.92 : x
  2. Step 2: Convert to fraction form
    220,332,594.90/330,486,932.13 = 66,966,693.92/x
  3. Step 3: Cross multiply
    220,332,594.90x = 330,486,932.13 × 66,966,693.92
  4. Step 4: Simplify right side
    220,332,594.90x = 22,131,617,226,857,088
  5. Step 5: Solve for x
    x = 22,131,617,226,857,088/220,332,594.90
  6. Step 6: Final answer
    x = 100,446,405.75

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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.