Home / 213,353,443.20-320,030,164.80-147,596,476.80

Finding the Fourth Proportional to 213,353,443.20, 320,030,164.80 and 147,596,476.80

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Solution

The fourth proportional to 213,353,443.20, 320,030,164.80 and 147,596,476.80 is: 221,394,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,353,443.20 : 320,030,164.80 = 147,596,476.80 : x
  2. Step 2: Convert to fraction form
    213,353,443.20/320,030,164.80 = 147,596,476.80/x
  3. Step 3: Cross multiply
    213,353,443.20x = 320,030,164.80 × 147,596,476.80
  4. Step 4: Simplify right side
    213,353,443.20x = 47,235,324,794,203,384
  5. Step 5: Solve for x
    x = 47,235,324,794,203,384/213,353,443.20
  6. Step 6: Final answer
    x = 221,394,715.20

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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.