Home / 165,876,617.20-248,814,925.80-105,335,791.60

Finding the Fourth Proportional to 165,876,617.20, 248,814,925.80 and 105,335,791.60

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Solution

The fourth proportional to 165,876,617.20, 248,814,925.80 and 105,335,791.60 is: 158,003,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,876,617.20 : 248,814,925.80 = 105,335,791.60 : x
  2. Step 2: Convert to fraction form
    165,876,617.20/248,814,925.80 = 105,335,791.60/x
  3. Step 3: Cross multiply
    165,876,617.20x = 248,814,925.80 × 105,335,791.60
  4. Step 4: Simplify right side
    165,876,617.20x = 26,209,117,171,038,264
  5. Step 5: Solve for x
    x = 26,209,117,171,038,264/165,876,617.20
  6. Step 6: Final answer
    x = 158,003,687.40

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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.