Home / 299,229,968.80-448,844,953.20-129,028,880.80

Finding the Fourth Proportional to 299,229,968.80, 448,844,953.20 and 129,028,880.80

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Solution

The fourth proportional to 299,229,968.80, 448,844,953.20 and 129,028,880.80 is: 193,543,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,229,968.80 : 448,844,953.20 = 129,028,880.80 : x
  2. Step 2: Convert to fraction form
    299,229,968.80/448,844,953.20 = 129,028,880.80/x
  3. Step 3: Cross multiply
    299,229,968.80x = 448,844,953.20 × 129,028,880.80
  4. Step 4: Simplify right side
    299,229,968.80x = 57,913,961,964,124,376
  5. Step 5: Solve for x
    x = 57,913,961,964,124,376/299,229,968.80
  6. Step 6: Final answer
    x = 193,543,321.20

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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.