Home / 351,637,435.50-485,259,665.31-197,112,763.50

Finding the Fourth Proportional to 351,637,435.50, 485,259,665.31 and 197,112,763.50

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Solution

The fourth proportional to 351,637,435.50, 485,259,665.31 and 197,112,763.50 is: 272,015,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,637,435.50 : 485,259,665.31 = 197,112,763.50 : x
  2. Step 2: Convert to fraction form
    351,637,435.50/485,259,665.31 = 197,112,763.50/x
  3. Step 3: Cross multiply
    351,637,435.50x = 485,259,665.31 × 197,112,763.50
  4. Step 4: Simplify right side
    351,637,435.50x = 95,650,873,644,339,184
  5. Step 5: Solve for x
    x = 95,650,873,644,339,184/351,637,435.50
  6. Step 6: Final answer
    x = 272,015,616.05

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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.