Home / 321,933,383.70-482,900,075.55-117,393,479.70

Finding the Fourth Proportional to 321,933,383.70, 482,900,075.55 and 117,393,479.70

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Solution

The fourth proportional to 321,933,383.70, 482,900,075.55 and 117,393,479.70 is: 176,090,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,933,383.70 : 482,900,075.55 = 117,393,479.70 : x
  2. Step 2: Convert to fraction form
    321,933,383.70/482,900,075.55 = 117,393,479.70/x
  3. Step 3: Cross multiply
    321,933,383.70x = 482,900,075.55 × 117,393,479.70
  4. Step 4: Simplify right side
    321,933,383.70x = 56,689,320,216,207,392
  5. Step 5: Solve for x
    x = 56,689,320,216,207,392/321,933,383.70
  6. Step 6: Final answer
    x = 176,090,219.55

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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.