Home / 220,256,351.96-330,086,911.86-83,867,333.72

Finding the Fourth Proportional to 220,256,351.96, 330,086,911.86 and 83,867,333.72

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Solution

The fourth proportional to 220,256,351.96, 330,086,911.86 and 83,867,333.72 is: 125,687,676.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,256,351.96 : 330,086,911.86 = 83,867,333.72 : x
  2. Step 2: Convert to fraction form
    220,256,351.96/330,086,911.86 = 83,867,333.72/x
  3. Step 3: Cross multiply
    220,256,351.96x = 330,086,911.86 × 83,867,333.72
  4. Step 4: Simplify right side
    220,256,351.96x = 27,683,509,191,916,412
  5. Step 5: Solve for x
    x = 27,683,509,191,916,412/220,256,351.96
  6. Step 6: Final answer
    x = 125,687,676.86

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1.5x scale

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.