Home / 220,386,220.80-330,579,331.20-67,032,031.20

Finding the Fourth Proportional to 220,386,220.80, 330,579,331.20 and 67,032,031.20

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Solution

The fourth proportional to 220,386,220.80, 330,579,331.20 and 67,032,031.20 is: 100,548,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,386,220.80 : 330,579,331.20 = 67,032,031.20 : x
  2. Step 2: Convert to fraction form
    220,386,220.80/330,579,331.20 = 67,032,031.20/x
  3. Step 3: Cross multiply
    220,386,220.80x = 330,579,331.20 × 67,032,031.20
  4. Step 4: Simplify right side
    220,386,220.80x = 22,159,404,043,073,532
  5. Step 5: Solve for x
    x = 22,159,404,043,073,532/220,386,220.80
  6. Step 6: Final answer
    x = 100,548,046.80

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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.