Home / 189,932,944.28-284,890,590.66-79,222,921.88

Finding the Fourth Proportional to 189,932,944.28, 284,890,590.66 and 79,222,921.88

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Solution

The fourth proportional to 189,932,944.28, 284,890,590.66 and 79,222,921.88 is: 118,830,701.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,932,944.28 : 284,890,590.66 = 79,222,921.88 : x
  2. Step 2: Convert to fraction form
    189,932,944.28/284,890,590.66 = 79,222,921.88/x
  3. Step 3: Cross multiply
    189,932,944.28x = 284,890,590.66 × 79,222,921.88
  4. Step 4: Simplify right side
    189,932,944.28x = 22,569,865,008,204,240
  5. Step 5: Solve for x
    x = 22,569,865,008,204,240/189,932,944.28
  6. Step 6: Final answer
    x = 118,830,701.51

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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.