Home / 75,983,101.60-113,702,215.28-65,783,046.56

Finding the Fourth Proportional to 75,983,101.60, 113,702,215.28 and 65,783,046.56

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Solution

The fourth proportional to 75,983,101.60, 113,702,215.28 and 65,783,046.56 is: 98,438,704.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,983,101.60 : 113,702,215.28 = 65,783,046.56 : x
  2. Step 2: Convert to fraction form
    75,983,101.60/113,702,215.28 = 65,783,046.56/x
  3. Step 3: Cross multiply
    75,983,101.60x = 113,702,215.28 × 65,783,046.56
  4. Step 4: Simplify right side
    75,983,101.60x = 7,479,678,121,739,384
  5. Step 5: Solve for x
    x = 7,479,678,121,739,384/75,983,101.60
  6. Step 6: Final answer
    x = 98,438,704.98

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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.