Home / 209,953,067.30-314,929,600.95-206,551,844.90

Finding the Fourth Proportional to 209,953,067.30, 314,929,600.95 and 206,551,844.90

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Solution

The fourth proportional to 209,953,067.30, 314,929,600.95 and 206,551,844.90 is: 309,827,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,067.30 : 314,929,600.95 = 206,551,844.90 : x
  2. Step 2: Convert to fraction form
    209,953,067.30/314,929,600.95 = 206,551,844.90/x
  3. Step 3: Cross multiply
    209,953,067.30x = 314,929,600.95 × 206,551,844.90
  4. Step 4: Simplify right side
    209,953,067.30x = 65,049,290,089,843,296
  5. Step 5: Solve for x
    x = 65,049,290,089,843,296/209,953,067.30
  6. Step 6: Final answer
    x = 309,827,767.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.