Home / 132,109,951.60-198,164,927.40-83,004,803.20

Finding the Fourth Proportional to 132,109,951.60, 198,164,927.40 and 83,004,803.20

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Solution

The fourth proportional to 132,109,951.60, 198,164,927.40 and 83,004,803.20 is: 124,507,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,109,951.60 : 198,164,927.40 = 83,004,803.20 : x
  2. Step 2: Convert to fraction form
    132,109,951.60/198,164,927.40 = 83,004,803.20/x
  3. Step 3: Cross multiply
    132,109,951.60x = 198,164,927.40 × 83,004,803.20
  4. Step 4: Simplify right side
    132,109,951.60x = 16,448,640,799,979,288
  5. Step 5: Solve for x
    x = 16,448,640,799,979,288/132,109,951.60
  6. Step 6: Final answer
    x = 124,507,204.80

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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.