Home / 194,480,120.91-291,720,679.61-79,464,663.24

Finding the Fourth Proportional to 194,480,120.91, 291,720,679.61 and 79,464,663.24

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Solution

The fourth proportional to 194,480,120.91, 291,720,679.61 and 79,464,663.24 is: 119,197,198.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,480,120.91 : 291,720,679.61 = 79,464,663.24 : x
  2. Step 2: Convert to fraction form
    194,480,120.91/291,720,679.61 = 79,464,663.24/x
  3. Step 3: Cross multiply
    194,480,120.91x = 291,720,679.61 × 79,464,663.24
  4. Step 4: Simplify right side
    194,480,120.91x = 23,181,485,564,955,260
  5. Step 5: Solve for x
    x = 23,181,485,564,955,260/194,480,120.91
  6. Step 6: Final answer
    x = 119,197,198.44

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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.