Home / 208,577,035.13-287,836,623.78-113,207,578.05

Finding the Fourth Proportional to 208,577,035.13, 287,836,623.78 and 113,207,578.05

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Solution

The fourth proportional to 208,577,035.13, 287,836,623.78 and 113,207,578.05 is: 156,226,628.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,577,035.13 : 287,836,623.78 = 113,207,578.05 : x
  2. Step 2: Convert to fraction form
    208,577,035.13/287,836,623.78 = 113,207,578.05/x
  3. Step 3: Cross multiply
    208,577,035.13x = 287,836,623.78 × 113,207,578.05
  4. Step 4: Simplify right side
    208,577,035.13x = 32,585,287,052,222,832
  5. Step 5: Solve for x
    x = 32,585,287,052,222,832/208,577,035.13
  6. Step 6: Final answer
    x = 156,226,628.85

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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.