Home / 189,635,679.82-284,453,630.30-53,321,063.32

Finding the Fourth Proportional to 189,635,679.82, 284,453,630.30 and 53,321,063.32

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Solution

The fourth proportional to 189,635,679.82, 284,453,630.30 and 53,321,063.32 is: 79,981,626.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,635,679.82 : 284,453,630.30 = 53,321,063.32 : x
  2. Step 2: Convert to fraction form
    189,635,679.82/284,453,630.30 = 53,321,063.32/x
  3. Step 3: Cross multiply
    189,635,679.82x = 284,453,630.30 × 53,321,063.32
  4. Step 4: Simplify right side
    189,635,679.82x = 15,167,370,032,830,172
  5. Step 5: Solve for x
    x = 15,167,370,032,830,172/189,635,679.82
  6. Step 6: Final answer
    x = 79,981,626.07

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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.