Home / 107,731,709.40-161,620,287.30-34,942,837.08

Finding the Fourth Proportional to 107,731,709.40, 161,620,287.30 and 34,942,837.08

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Solution

The fourth proportional to 107,731,709.40, 161,620,287.30 and 34,942,837.08 is: 52,421,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,731,709.40 : 161,620,287.30 = 34,942,837.08 : x
  2. Step 2: Convert to fraction form
    107,731,709.40/161,620,287.30 = 34,942,837.08/x
  3. Step 3: Cross multiply
    107,731,709.40x = 161,620,287.30 × 34,942,837.08
  4. Step 4: Simplify right side
    107,731,709.40x = 5,647,471,367,946,693
  5. Step 5: Solve for x
    x = 5,647,471,367,946,693/107,731,709.40
  6. Step 6: Final answer
    x = 52,421,625.90

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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.