Home / 299,196,007.20-448,416,097.20-145,511,143.20

Finding the Fourth Proportional to 299,196,007.20, 448,416,097.20 and 145,511,143.20

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Solution

The fourth proportional to 299,196,007.20, 448,416,097.20 and 145,511,143.20 is: 218,082,920.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,196,007.20 : 448,416,097.20 = 145,511,143.20 : x
  2. Step 2: Convert to fraction form
    299,196,007.20/448,416,097.20 = 145,511,143.20/x
  3. Step 3: Cross multiply
    299,196,007.20x = 448,416,097.20 × 145,511,143.20
  4. Step 4: Simplify right side
    299,196,007.20x = 65,249,538,932,854,312
  5. Step 5: Solve for x
    x = 65,249,538,932,854,312/299,196,007.20
  6. Step 6: Final answer
    x = 218,082,920.10

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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.