Home / 100,605,503.78-150,908,067.32-31,523,595.87

Finding the Fourth Proportional to 100,605,503.78, 150,908,067.32 and 31,523,595.87

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Solution

The fourth proportional to 100,605,503.78, 150,908,067.32 and 31,523,595.87 is: 47,285,334.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,605,503.78 : 150,908,067.32 = 31,523,595.87 : x
  2. Step 2: Convert to fraction form
    100,605,503.78/150,908,067.32 = 31,523,595.87/x
  3. Step 3: Cross multiply
    100,605,503.78x = 150,908,067.32 × 31,523,595.87
  4. Step 4: Simplify right side
    100,605,503.78x = 4,757,164,927,560,816
  5. Step 5: Solve for x
    x = 4,757,164,927,560,816/100,605,503.78
  6. Step 6: Final answer
    x = 47,285,334.78

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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.