Home / 123,785,648.40-185,678,472.60-32,918,422.80

Finding the Fourth Proportional to 123,785,648.40, 185,678,472.60 and 32,918,422.80

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Solution

The fourth proportional to 123,785,648.40, 185,678,472.60 and 32,918,422.80 is: 49,377,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,785,648.40 : 185,678,472.60 = 32,918,422.80 : x
  2. Step 2: Convert to fraction form
    123,785,648.40/185,678,472.60 = 32,918,422.80/x
  3. Step 3: Cross multiply
    123,785,648.40x = 185,678,472.60 × 32,918,422.80
  4. Step 4: Simplify right side
    123,785,648.40x = 6,112,242,465,905,015
  5. Step 5: Solve for x
    x = 6,112,242,465,905,015/123,785,648.40
  6. Step 6: Final answer
    x = 49,377,634.20

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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.