Home / 51,455,115.57-71,004,878.15-28,250,112.45

Finding the Fourth Proportional to 51,455,115.57, 71,004,878.15 and 28,250,112.45

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Solution

The fourth proportional to 51,455,115.57, 71,004,878.15 and 28,250,112.45 is: 38,983,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,455,115.57 : 71,004,878.15 = 28,250,112.45 : x
  2. Step 2: Convert to fraction form
    51,455,115.57/71,004,878.15 = 28,250,112.45/x
  3. Step 3: Cross multiply
    51,455,115.57x = 71,004,878.15 × 28,250,112.45
  4. Step 4: Simplify right side
    51,455,115.57x = 2,005,895,792,094,797.25
  5. Step 5: Solve for x
    x = 2,005,895,792,094,797.25/51,455,115.57
  6. Step 6: Final answer
    x = 38,983,408.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.