Home / 208,769,210.11-288,101,500.82-115,958,353.87

Finding the Fourth Proportional to 208,769,210.11, 288,101,500.82 and 115,958,353.87

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Solution

The fourth proportional to 208,769,210.11, 288,101,500.82 and 115,958,353.87 is: 160,022,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,769,210.11 : 288,101,500.82 = 115,958,353.87 : x
  2. Step 2: Convert to fraction form
    208,769,210.11/288,101,500.82 = 115,958,353.87/x
  3. Step 3: Cross multiply
    208,769,210.11x = 288,101,500.82 × 115,958,353.87
  4. Step 4: Simplify right side
    208,769,210.11x = 33,407,775,781,983,864
  5. Step 5: Solve for x
    x = 33,407,775,781,983,864/208,769,210.11
  6. Step 6: Final answer
    x = 160,022,523.27

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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.