Home / 45,116,240.72-67,683,061.58-19,208,067.56

Finding the Fourth Proportional to 45,116,240.72, 67,683,061.58 and 19,208,067.56

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Solution

The fourth proportional to 45,116,240.72, 67,683,061.58 and 19,208,067.56 is: 28,815,805.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,116,240.72 : 67,683,061.58 = 19,208,067.56 : x
  2. Step 2: Convert to fraction form
    45,116,240.72/67,683,061.58 = 19,208,067.56/x
  3. Step 3: Cross multiply
    45,116,240.72x = 67,683,061.58 × 19,208,067.56
  4. Step 4: Simplify right side
    45,116,240.72x = 1,300,060,819,061,824.75
  5. Step 5: Solve for x
    x = 1,300,060,819,061,824.75/45,116,240.72
  6. Step 6: Final answer
    x = 28,815,805.54

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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.