Home / 57,887,388.74-86,812,647.91-19,016,818.06

Finding the Fourth Proportional to 57,887,388.74, 86,812,647.91 and 19,016,818.06

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Solution

The fourth proportional to 57,887,388.74, 86,812,647.91 and 19,016,818.06 is: 28,519,170.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,887,388.74 : 86,812,647.91 = 19,016,818.06 : x
  2. Step 2: Convert to fraction form
    57,887,388.74/86,812,647.91 = 19,016,818.06/x
  3. Step 3: Cross multiply
    57,887,388.74x = 86,812,647.91 × 19,016,818.06
  4. Step 4: Simplify right side
    57,887,388.74x = 1,650,900,330,346,735.75
  5. Step 5: Solve for x
    x = 1,650,900,330,346,735.75/57,887,388.74
  6. Step 6: Final answer
    x = 28,519,170.87

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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.