Home / 51,081,178.50-70,492,007.88-27,876,305.52

Finding the Fourth Proportional to 51,081,178.50, 70,492,007.88 and 27,876,305.52

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Solution

The fourth proportional to 51,081,178.50, 70,492,007.88 and 27,876,305.52 is: 38,469,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,081,178.50 : 70,492,007.88 = 27,876,305.52 : x
  2. Step 2: Convert to fraction form
    51,081,178.50/70,492,007.88 = 27,876,305.52/x
  3. Step 3: Cross multiply
    51,081,178.50x = 70,492,007.88 × 27,876,305.52
  4. Step 4: Simplify right side
    51,081,178.50x = 1,965,056,748,381,127.25
  5. Step 5: Solve for x
    x = 1,965,056,748,381,127.25/51,081,178.50
  6. Step 6: Final answer
    x = 38,469,291.55

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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.