Home / 107,851,546.80-161,777,320.20-43,165,335.60

Finding the Fourth Proportional to 107,851,546.80, 161,777,320.20 and 43,165,335.60

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Solution

The fourth proportional to 107,851,546.80, 161,777,320.20 and 43,165,335.60 is: 64,748,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,851,546.80 : 161,777,320.20 = 43,165,335.60 : x
  2. Step 2: Convert to fraction form
    107,851,546.80/161,777,320.20 = 43,165,335.60/x
  3. Step 3: Cross multiply
    107,851,546.80x = 161,777,320.20 × 43,165,335.60
  4. Step 4: Simplify right side
    107,851,546.80x = 6,983,172,318,901,659
  5. Step 5: Solve for x
    x = 6,983,172,318,901,659/107,851,546.80
  6. Step 6: Final answer
    x = 64,748,003.40

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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.