Home / 165,900,791.20-248,851,186.80-105,359,965.60

Finding the Fourth Proportional to 165,900,791.20, 248,851,186.80 and 105,359,965.60

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Solution

The fourth proportional to 165,900,791.20, 248,851,186.80 and 105,359,965.60 is: 158,039,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,900,791.20 : 248,851,186.80 = 105,359,965.60 : x
  2. Step 2: Convert to fraction form
    165,900,791.20/248,851,186.80 = 105,359,965.60/x
  3. Step 3: Cross multiply
    165,900,791.20x = 248,851,186.80 × 105,359,965.60
  4. Step 4: Simplify right side
    165,900,791.20x = 26,218,952,480,767,172
  5. Step 5: Solve for x
    x = 26,218,952,480,767,172/165,900,791.20
  6. Step 6: Final answer
    x = 158,039,948.40

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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.