Home / 219,027,769.20-328,541,653.80-57,486,034.80

Finding the Fourth Proportional to 219,027,769.20, 328,541,653.80 and 57,486,034.80

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Solution

The fourth proportional to 219,027,769.20, 328,541,653.80 and 57,486,034.80 is: 86,229,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,027,769.20 : 328,541,653.80 = 57,486,034.80 : x
  2. Step 2: Convert to fraction form
    219,027,769.20/328,541,653.80 = 57,486,034.80/x
  3. Step 3: Cross multiply
    219,027,769.20x = 328,541,653.80 × 57,486,034.80
  4. Step 4: Simplify right side
    219,027,769.20x = 18,886,556,943,596,352
  5. Step 5: Solve for x
    x = 18,886,556,943,596,352/219,027,769.20
  6. Step 6: Final answer
    x = 86,229,052.20

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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.