Home / 299,259,028.80-448,639,711.20-126,868,219.20

Finding the Fourth Proportional to 299,259,028.80, 448,639,711.20 and 126,868,219.20

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Solution

The fourth proportional to 299,259,028.80, 448,639,711.20 and 126,868,219.20 is: 190,196,838.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,259,028.80 : 448,639,711.20 = 126,868,219.20 : x
  2. Step 2: Convert to fraction form
    299,259,028.80/448,639,711.20 = 126,868,219.20/x
  3. Step 3: Cross multiply
    299,259,028.80x = 448,639,711.20 × 126,868,219.20
  4. Step 4: Simplify right side
    299,259,028.80x = 56,918,121,222,346,296
  5. Step 5: Solve for x
    x = 56,918,121,222,346,296/299,259,028.80
  6. Step 6: Final answer
    x = 190,196,838.67

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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.