Home / 51,191,015.67-70,643,851.38-27,986,143.77

Finding the Fourth Proportional to 51,191,015.67, 70,643,851.38 and 27,986,143.77

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Solution

The fourth proportional to 51,191,015.67, 70,643,851.38 and 27,986,143.77 is: 38,621,014.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,191,015.67 : 70,643,851.38 = 27,986,143.77 : x
  2. Step 2: Convert to fraction form
    51,191,015.67/70,643,851.38 = 27,986,143.77/x
  3. Step 3: Cross multiply
    51,191,015.67x = 70,643,851.38 × 27,986,143.77
  4. Step 4: Simplify right side
    51,191,015.67x = 1,977,048,981,187,192.75
  5. Step 5: Solve for x
    x = 1,977,048,981,187,192.75/51,191,015.67
  6. Step 6: Final answer
    x = 38,621,014.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.