Home / 199,971,463.25-299,977,382.37-75,442,854.89

Finding the Fourth Proportional to 199,971,463.25, 299,977,382.37 and 75,442,854.89

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Solution

The fourth proportional to 199,971,463.25, 299,977,382.37 and 75,442,854.89 is: 113,171,898.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,971,463.25 : 299,977,382.37 = 75,442,854.89 : x
  2. Step 2: Convert to fraction form
    199,971,463.25/299,977,382.37 = 75,442,854.89/x
  3. Step 3: Cross multiply
    199,971,463.25x = 299,977,382.37 × 75,442,854.89
  4. Step 4: Simplify right side
    199,971,463.25x = 22,631,150,126,922,068
  5. Step 5: Solve for x
    x = 22,631,150,126,922,068/199,971,463.25
  6. Step 6: Final answer
    x = 113,171,898.43

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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.