Home / 99,575,687.41-149,278,336.93-38,208,884.56

Finding the Fourth Proportional to 99,575,687.41, 149,278,336.93 and 38,208,884.56

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Solution

The fourth proportional to 99,575,687.41, 149,278,336.93 and 38,208,884.56 is: 57,280,636.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,575,687.41 : 149,278,336.93 = 38,208,884.56 : x
  2. Step 2: Convert to fraction form
    99,575,687.41/149,278,336.93 = 38,208,884.56/x
  3. Step 3: Cross multiply
    99,575,687.41x = 149,278,336.93 × 38,208,884.56
  4. Step 4: Simplify right side
    99,575,687.41x = 5,703,758,743,067,155
  5. Step 5: Solve for x
    x = 5,703,758,743,067,155/99,575,687.41
  6. Step 6: Final answer
    x = 57,280,636.38

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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.