Home / 194,982,469.35-292,473,686.27-85,807,640.36

Finding the Fourth Proportional to 194,982,469.35, 292,473,686.27 and 85,807,640.36

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Solution

The fourth proportional to 194,982,469.35, 292,473,686.27 and 85,807,640.36 is: 128,711,452.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,982,469.35 : 292,473,686.27 = 85,807,640.36 : x
  2. Step 2: Convert to fraction form
    194,982,469.35/292,473,686.27 = 85,807,640.36/x
  3. Step 3: Cross multiply
    194,982,469.35x = 292,473,686.27 × 85,807,640.36
  4. Step 4: Simplify right side
    194,982,469.35x = 25,096,476,886,219,628
  5. Step 5: Solve for x
    x = 25,096,476,886,219,628/194,982,469.35
  6. Step 6: Final answer
    x = 128,711,452.73

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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.