Home / 147,644,829.20-221,415,957.27-82,165,890.62

Finding the Fourth Proportional to 147,644,829.20, 221,415,957.27 and 82,165,890.62

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Solution

The fourth proportional to 147,644,829.20, 221,415,957.27 and 82,165,890.62 is: 123,220,294.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,644,829.20 : 221,415,957.27 = 82,165,890.62 : x
  2. Step 2: Convert to fraction form
    147,644,829.20/221,415,957.27 = 82,165,890.62/x
  3. Step 3: Cross multiply
    147,644,829.20x = 221,415,957.27 × 82,165,890.62
  4. Step 4: Simplify right side
    147,644,829.20x = 18,192,839,325,462,332
  5. Step 5: Solve for x
    x = 18,192,839,325,462,332/147,644,829.20
  6. Step 6: Final answer
    x = 123,220,294.44

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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.