Home / 221,184,010.40-331,776,015.60-201,012,029.60

Finding the Fourth Proportional to 221,184,010.40, 331,776,015.60 and 201,012,029.60

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Solution

The fourth proportional to 221,184,010.40, 331,776,015.60 and 201,012,029.60 is: 301,518,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,184,010.40 : 331,776,015.60 = 201,012,029.60 : x
  2. Step 2: Convert to fraction form
    221,184,010.40/331,776,015.60 = 201,012,029.60/x
  3. Step 3: Cross multiply
    221,184,010.40x = 331,776,015.60 × 201,012,029.60
  4. Step 4: Simplify right side
    221,184,010.40x = 66,690,970,268,357,264
  5. Step 5: Solve for x
    x = 66,690,970,268,357,264/221,184,010.40
  6. Step 6: Final answer
    x = 301,518,044.40

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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.