Home / 220,243,245.52-330,294,147.18-72,657,632.92

Finding the Fourth Proportional to 220,243,245.52, 330,294,147.18 and 72,657,632.92

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Solution

The fourth proportional to 220,243,245.52, 330,294,147.18 and 72,657,632.92 is: 108,963,118.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,243,245.52 : 330,294,147.18 = 72,657,632.92 : x
  2. Step 2: Convert to fraction form
    220,243,245.52/330,294,147.18 = 72,657,632.92/x
  3. Step 3: Cross multiply
    220,243,245.52x = 330,294,147.18 × 72,657,632.92
  4. Step 4: Simplify right side
    220,243,245.52x = 23,998,390,901,428,896
  5. Step 5: Solve for x
    x = 23,998,390,901,428,896/220,243,245.52
  6. Step 6: Final answer
    x = 108,963,118.69

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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.