Home / 220,646,963.88-330,855,540.84-82,358,864.22

Finding the Fourth Proportional to 220,646,963.88, 330,855,540.84 and 82,358,864.22

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Solution

The fourth proportional to 220,646,963.88, 330,855,540.84 and 82,358,864.22 is: 123,495,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,646,963.88 : 330,855,540.84 = 82,358,864.22 : x
  2. Step 2: Convert to fraction form
    220,646,963.88/330,855,540.84 = 82,358,864.22/x
  3. Step 3: Cross multiply
    220,646,963.88x = 330,855,540.84 × 82,358,864.22
  4. Step 4: Simplify right side
    220,646,963.88x = 27,248,886,564,476,224
  5. Step 5: Solve for x
    x = 27,248,886,564,476,224/220,646,963.88
  6. Step 6: Final answer
    x = 123,495,406.80

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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.