Home / 220,256,281.72-330,086,806.48-83,867,263.48

Finding the Fourth Proportional to 220,256,281.72, 330,086,806.48 and 83,867,263.48

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Solution

The fourth proportional to 220,256,281.72, 330,086,806.48 and 83,867,263.48 is: 125,687,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,256,281.72 : 330,086,806.48 = 83,867,263.48 : x
  2. Step 2: Convert to fraction form
    220,256,281.72/330,086,806.48 = 83,867,263.48/x
  3. Step 3: Cross multiply
    220,256,281.72x = 330,086,806.48 × 83,867,263.48
  4. Step 4: Simplify right side
    220,256,281.72x = 27,683,477,170,329,936
  5. Step 5: Solve for x
    x = 27,683,477,170,329,936/220,256,281.72
  6. Step 6: Final answer
    x = 125,687,571.56

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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.