Home / 165,996,023.20-248,994,034.80-108,665,130.40

Finding the Fourth Proportional to 165,996,023.20, 248,994,034.80 and 108,665,130.40

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Solution

The fourth proportional to 165,996,023.20, 248,994,034.80 and 108,665,130.40 is: 162,997,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,996,023.20 : 248,994,034.80 = 108,665,130.40 : x
  2. Step 2: Convert to fraction form
    165,996,023.20/248,994,034.80 = 108,665,130.40/x
  3. Step 3: Cross multiply
    165,996,023.20x = 248,994,034.80 × 108,665,130.40
  4. Step 4: Simplify right side
    165,996,023.20x = 27,056,969,260,364,140
  5. Step 5: Solve for x
    x = 27,056,969,260,364,140/165,996,023.20
  6. Step 6: Final answer
    x = 162,997,695.60

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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.