Home / 299,708,980.80-449,339,522.40-163,548,110.40

Finding the Fourth Proportional to 299,708,980.80, 449,339,522.40 and 163,548,110.40

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Solution

The fourth proportional to 299,708,980.80, 449,339,522.40 and 163,548,110.40 is: 245,199,959.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,708,980.80 : 449,339,522.40 = 163,548,110.40 : x
  2. Step 2: Convert to fraction form
    299,708,980.80/449,339,522.40 = 163,548,110.40/x
  3. Step 3: Cross multiply
    299,708,980.80x = 449,339,522.40 × 163,548,110.40
  4. Step 4: Simplify right side
    299,708,980.80x = 73,488,629,816,558,464
  5. Step 5: Solve for x
    x = 73,488,629,816,558,464/299,708,980.80
  6. Step 6: Final answer
    x = 245,199,959.04

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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.