Home / 208,867,755.11-288,245,280.97-125,249,499.57

Finding the Fourth Proportional to 208,867,755.11, 288,245,280.97 and 125,249,499.57

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Solution

The fourth proportional to 208,867,755.11, 288,245,280.97 and 125,249,499.57 is: 172,848,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,867,755.11 : 288,245,280.97 = 125,249,499.57 : x
  2. Step 2: Convert to fraction form
    208,867,755.11/288,245,280.97 = 125,249,499.57/x
  3. Step 3: Cross multiply
    208,867,755.11x = 288,245,280.97 × 125,249,499.57
  4. Step 4: Simplify right side
    208,867,755.11x = 36,102,577,193,816,048
  5. Step 5: Solve for x
    x = 36,102,577,193,816,048/208,867,755.11
  6. Step 6: Final answer
    x = 172,848,974.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.