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Finding the Fourth Proportional to 100,404,964.95, 150,607,447.43 and 100,404,964.95

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Solution

The fourth proportional to 100,404,964.95, 150,607,447.43 and 100,404,964.95 is: 150,607,447.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,404,964.95 : 150,607,447.43 = 100,404,964.95 : x
  2. Step 2: Convert to fraction form
    100,404,964.95/150,607,447.43 = 100,404,964.95/x
  3. Step 3: Cross multiply
    100,404,964.95x = 150,607,447.43 × 100,404,964.95
  4. Step 4: Simplify right side
    100,404,964.95x = 15,121,735,479,916,094
  5. Step 5: Solve for x
    x = 15,121,735,479,916,094/100,404,964.95
  6. Step 6: Final answer
    x = 150,607,447.43

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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.