Home / 220,332,564.53-330,486,886.56-66,966,663.54

Finding the Fourth Proportional to 220,332,564.53, 330,486,886.56 and 66,966,663.54

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Solution

The fourth proportional to 220,332,564.53, 330,486,886.56 and 66,966,663.54 is: 100,446,360.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,332,564.53 : 330,486,886.56 = 66,966,663.54 : x
  2. Step 2: Convert to fraction form
    220,332,564.53/330,486,886.56 = 66,966,663.54/x
  3. Step 3: Cross multiply
    220,332,564.53x = 330,486,886.56 × 66,966,663.54
  4. Step 4: Simplify right side
    220,332,564.53x = 22,131,604,136,645,668
  5. Step 5: Solve for x
    x = 22,131,604,136,645,668/220,332,564.53
  6. Step 6: Final answer
    x = 100,446,360.18

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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.