Home / 202,464,842.78-279,400,091.90-109,643,226.50

Finding the Fourth Proportional to 202,464,842.78, 279,400,091.90 and 109,643,226.50

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Solution

The fourth proportional to 202,464,842.78, 279,400,091.90 and 109,643,226.50 is: 151,306,899.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,464,842.78 : 279,400,091.90 = 109,643,226.50 : x
  2. Step 2: Convert to fraction form
    202,464,842.78/279,400,091.90 = 109,643,226.50/x
  3. Step 3: Cross multiply
    202,464,842.78x = 279,400,091.90 × 109,643,226.50
  4. Step 4: Simplify right side
    202,464,842.78x = 30,634,327,558,367,296
  5. Step 5: Solve for x
    x = 30,634,327,558,367,296/202,464,842.78
  6. Step 6: Final answer
    x = 151,306,899.21

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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.