Home / 299,259,029.80-448,639,712.70-126,868,220.20

Finding the Fourth Proportional to 299,259,029.80, 448,639,712.70 and 126,868,220.20

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Solution

The fourth proportional to 299,259,029.80, 448,639,712.70 and 126,868,220.20 is: 190,196,840.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,259,029.80 : 448,639,712.70 = 126,868,220.20 : x
  2. Step 2: Convert to fraction form
    299,259,029.80/448,639,712.70 = 126,868,220.20/x
  3. Step 3: Cross multiply
    299,259,029.80x = 448,639,712.70 × 126,868,220.20
  4. Step 4: Simplify right side
    299,259,029.80x = 56,918,121,861,288,336
  5. Step 5: Solve for x
    x = 56,918,121,861,288,336/299,259,029.80
  6. Step 6: Final answer
    x = 190,196,840.17

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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.