Home / 221,184,906.40-331,777,359.60-194,311,050.40

Finding the Fourth Proportional to 221,184,906.40, 331,777,359.60 and 194,311,050.40

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Solution

The fourth proportional to 221,184,906.40, 331,777,359.60 and 194,311,050.40 is: 291,466,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,184,906.40 : 331,777,359.60 = 194,311,050.40 : x
  2. Step 2: Convert to fraction form
    221,184,906.40/331,777,359.60 = 194,311,050.40/x
  3. Step 3: Cross multiply
    221,184,906.40x = 331,777,359.60 × 194,311,050.40
  4. Step 4: Simplify right side
    221,184,906.40x = 64,468,007,242,814,528
  5. Step 5: Solve for x
    x = 64,468,007,242,814,528/221,184,906.40
  6. Step 6: Final answer
    x = 291,466,575.60

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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.