Home / 321,986,216.80-482,979,325.20-106,575,464.80

Finding the Fourth Proportional to 321,986,216.80, 482,979,325.20 and 106,575,464.80

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Solution

The fourth proportional to 321,986,216.80, 482,979,325.20 and 106,575,464.80 is: 159,863,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,986,216.80 : 482,979,325.20 = 106,575,464.80 : x
  2. Step 2: Convert to fraction form
    321,986,216.80/482,979,325.20 = 106,575,464.80/x
  3. Step 3: Cross multiply
    321,986,216.80x = 482,979,325.20 × 106,575,464.80
  4. Step 4: Simplify right side
    321,986,216.80x = 51,473,746,071,980,352
  5. Step 5: Solve for x
    x = 51,473,746,071,980,352/321,986,216.80
  6. Step 6: Final answer
    x = 159,863,197.20

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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.