Home / 100,295,968.11-150,418,703.25-38,864,045.72

Finding the Fourth Proportional to 100,295,968.11, 150,418,703.25 and 38,864,045.72

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Solution

The fourth proportional to 100,295,968.11, 150,418,703.25 and 38,864,045.72 is: 58,286,284.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,295,968.11 : 150,418,703.25 = 38,864,045.72 : x
  2. Step 2: Convert to fraction form
    100,295,968.11/150,418,703.25 = 38,864,045.72/x
  3. Step 3: Cross multiply
    100,295,968.11x = 150,418,703.25 × 38,864,045.72
  4. Step 4: Simplify right side
    100,295,968.11x = 5,845,879,359,499,020
  5. Step 5: Solve for x
    x = 5,845,879,359,499,020/100,295,968.11
  6. Step 6: Final answer
    x = 58,286,284.78

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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.