Home / 51,203,754.84-76,792,848.45-20,085,736.98

Finding the Fourth Proportional to 51,203,754.84, 76,792,848.45 and 20,085,736.98

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Solution

The fourth proportional to 51,203,754.84, 76,792,848.45 and 20,085,736.98 is: 30,123,590.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,203,754.84 : 76,792,848.45 = 20,085,736.98 : x
  2. Step 2: Convert to fraction form
    51,203,754.84/76,792,848.45 = 20,085,736.98/x
  3. Step 3: Cross multiply
    51,203,754.84x = 76,792,848.45 × 20,085,736.98
  4. Step 4: Simplify right side
    51,203,754.84x = 1,542,440,955,911,700.75
  5. Step 5: Solve for x
    x = 1,542,440,955,911,700.75/51,203,754.84
  6. Step 6: Final answer
    x = 30,123,590.75

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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.