Home / 202,464,874.40-279,400,135.24-109,643,258.12

Finding the Fourth Proportional to 202,464,874.40, 279,400,135.24 and 109,643,258.12

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Solution

The fourth proportional to 202,464,874.40, 279,400,135.24 and 109,643,258.12 is: 151,306,942.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,464,874.40 : 279,400,135.24 = 109,643,258.12 : x
  2. Step 2: Convert to fraction form
    202,464,874.40/279,400,135.24 = 109,643,258.12/x
  3. Step 3: Cross multiply
    202,464,874.40x = 279,400,135.24 × 109,643,258.12
  4. Step 4: Simplify right side
    202,464,874.40x = 30,634,341,146,882,232
  5. Step 5: Solve for x
    x = 30,634,341,146,882,232/202,464,874.40
  6. Step 6: Final answer
    x = 151,306,942.69

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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.