Home / 107,851,521.80-161,777,282.70-43,165,310.60

Finding the Fourth Proportional to 107,851,521.80, 161,777,282.70 and 43,165,310.60

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Solution

The fourth proportional to 107,851,521.80, 161,777,282.70 and 43,165,310.60 is: 64,747,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,851,521.80 : 161,777,282.70 = 43,165,310.60 : x
  2. Step 2: Convert to fraction form
    107,851,521.80/161,777,282.70 = 43,165,310.60/x
  3. Step 3: Cross multiply
    107,851,521.80x = 161,777,282.70 × 43,165,310.60
  4. Step 4: Simplify right side
    107,851,521.80x = 6,983,166,655,769,506
  5. Step 5: Solve for x
    x = 6,983,166,655,769,506/107,851,521.80
  6. Step 6: Final answer
    x = 64,747,965.90

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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.