Home / 299,195,977.20-448,416,052.20-145,511,113.20

Finding the Fourth Proportional to 299,195,977.20, 448,416,052.20 and 145,511,113.20

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Solution

The fourth proportional to 299,195,977.20, 448,416,052.20 and 145,511,113.20 is: 218,082,875.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,195,977.20 : 448,416,052.20 = 145,511,113.20 : x
  2. Step 2: Convert to fraction form
    299,195,977.20/448,416,052.20 = 145,511,113.20/x
  3. Step 3: Cross multiply
    299,195,977.20x = 448,416,052.20 × 145,511,113.20
  4. Step 4: Simplify right side
    299,195,977.20x = 65,249,518,932,371,304
  5. Step 5: Solve for x
    x = 65,249,518,932,371,304/299,195,977.20
  6. Step 6: Final answer
    x = 218,082,875.12

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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.