Home / 202,133,785.89-278,945,464.95-109,314,293.70

Finding the Fourth Proportional to 202,133,785.89, 278,945,464.95 and 109,314,293.70

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Solution

The fourth proportional to 202,133,785.89, 278,945,464.95 and 109,314,293.70 is: 150,854,179.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,133,785.89 : 278,945,464.95 = 109,314,293.70 : x
  2. Step 2: Convert to fraction form
    202,133,785.89/278,945,464.95 = 109,314,293.70/x
  3. Step 3: Cross multiply
    202,133,785.89x = 278,945,464.95 × 109,314,293.70
  4. Step 4: Simplify right side
    202,133,785.89x = 30,492,726,481,827,356
  5. Step 5: Solve for x
    x = 30,492,726,481,827,356/202,133,785.89
  6. Step 6: Final answer
    x = 150,854,179.81

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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.