Home / 202,464,869.41-279,400,128.33-109,643,253.13

Finding the Fourth Proportional to 202,464,869.41, 279,400,128.33 and 109,643,253.13

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Solution

The fourth proportional to 202,464,869.41, 279,400,128.33 and 109,643,253.13 is: 151,306,935.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,464,869.41 : 279,400,128.33 = 109,643,253.13 : x
  2. Step 2: Convert to fraction form
    202,464,869.41/279,400,128.33 = 109,643,253.13/x
  3. Step 3: Cross multiply
    202,464,869.41x = 279,400,128.33 × 109,643,253.13
  4. Step 4: Simplify right side
    202,464,869.41x = 30,634,338,995,040,672
  5. Step 5: Solve for x
    x = 30,634,338,995,040,672/202,464,869.41
  6. Step 6: Final answer
    x = 151,306,935.79

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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.