Home / 212,826,860.56-293,700,937.68-115,041,716.56

Finding the Fourth Proportional to 212,826,860.56, 293,700,937.68 and 115,041,716.56

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Solution

The fourth proportional to 212,826,860.56, 293,700,937.68 and 115,041,716.56 is: 158,757,498.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,826,860.56 : 293,700,937.68 = 115,041,716.56 : x
  2. Step 2: Convert to fraction form
    212,826,860.56/293,700,937.68 = 115,041,716.56/x
  3. Step 3: Cross multiply
    212,826,860.56x = 293,700,937.68 × 115,041,716.56
  4. Step 4: Simplify right side
    212,826,860.56x = 33,787,860,025,988,784
  5. Step 5: Solve for x
    x = 33,787,860,025,988,784/212,826,860.56
  6. Step 6: Final answer
    x = 158,757,498.64

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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.