Home / 321,986,272.80-482,979,409.20-106,575,520.80

Finding the Fourth Proportional to 321,986,272.80, 482,979,409.20 and 106,575,520.80

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Solution

The fourth proportional to 321,986,272.80, 482,979,409.20 and 106,575,520.80 is: 159,863,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,986,272.80 : 482,979,409.20 = 106,575,520.80 : x
  2. Step 2: Convert to fraction form
    321,986,272.80/482,979,409.20 = 106,575,520.80/x
  3. Step 3: Cross multiply
    321,986,272.80x = 482,979,409.20 × 106,575,520.80
  4. Step 4: Simplify right side
    321,986,272.80x = 51,473,782,071,166,312
  5. Step 5: Solve for x
    x = 51,473,782,071,166,312/321,986,272.80
  6. Step 6: Final answer
    x = 159,863,281.20

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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.