Home / 321,361,865.40-443,479,660.02-174,684,149.40

Finding the Fourth Proportional to 321,361,865.40, 443,479,660.02 and 174,684,149.40

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Solution

The fourth proportional to 321,361,865.40, 443,479,660.02 and 174,684,149.40 is: 241,064,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,361,865.40 : 443,479,660.02 = 174,684,149.40 : x
  2. Step 2: Convert to fraction form
    321,361,865.40/443,479,660.02 = 174,684,149.40/x
  3. Step 3: Cross multiply
    321,361,865.40x = 443,479,660.02 × 174,684,149.40
  4. Step 4: Simplify right side
    321,361,865.40x = 77,468,867,186,794,880
  5. Step 5: Solve for x
    x = 77,468,867,186,794,880/321,361,865.40
  6. Step 6: Final answer
    x = 241,064,281.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.