Home / 100,805,512.43-151,208,268.64-52,377,951.30

Finding the Fourth Proportional to 100,805,512.43, 151,208,268.64 and 52,377,951.30

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Solution

The fourth proportional to 100,805,512.43, 151,208,268.64 and 52,377,951.30 is: 78,566,926.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,805,512.43 : 151,208,268.64 = 52,377,951.30 : x
  2. Step 2: Convert to fraction form
    100,805,512.43/151,208,268.64 = 52,377,951.30/x
  3. Step 3: Cross multiply
    100,805,512.43x = 151,208,268.64 × 52,377,951.30
  4. Step 4: Simplify right side
    100,805,512.43x = 7,919,979,330,983,236
  5. Step 5: Solve for x
    x = 7,919,979,330,983,236/100,805,512.43
  6. Step 6: Final answer
    x = 78,566,926.95

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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.