Home / 132,341,330.40-198,512,067.60-41,472,031.20

Finding the Fourth Proportional to 132,341,330.40, 198,512,067.60 and 41,472,031.20

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Solution

The fourth proportional to 132,341,330.40, 198,512,067.60 and 41,472,031.20 is: 62,208,069.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,341,330.40 : 198,512,067.60 = 41,472,031.20 : x
  2. Step 2: Convert to fraction form
    132,341,330.40/198,512,067.60 = 41,472,031.20/x
  3. Step 3: Cross multiply
    132,341,330.40x = 198,512,067.60 × 41,472,031.20
  4. Step 4: Simplify right side
    132,341,330.40x = 8,232,698,661,083,709
  5. Step 5: Solve for x
    x = 8,232,698,661,083,709/132,341,330.40
  6. Step 6: Final answer
    x = 62,208,069.36

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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.