Home / 194,480,115.11-291,720,670.89-79,464,657.44

Finding the Fourth Proportional to 194,480,115.11, 291,720,670.89 and 79,464,657.44

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Solution

The fourth proportional to 194,480,115.11, 291,720,670.89 and 79,464,657.44 is: 119,197,189.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,480,115.11 : 291,720,670.89 = 79,464,657.44 : x
  2. Step 2: Convert to fraction form
    194,480,115.11/291,720,670.89 = 79,464,657.44/x
  3. Step 3: Cross multiply
    194,480,115.11x = 291,720,670.89 × 79,464,657.44
  4. Step 4: Simplify right side
    194,480,115.11x = 23,181,483,178,982,228
  5. Step 5: Solve for x
    x = 23,181,483,178,982,228/194,480,115.11
  6. Step 6: Final answer
    x = 119,197,189.73

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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.