Home / 51,191,102.92-70,643,971.92-27,986,231.02

Finding the Fourth Proportional to 51,191,102.92, 70,643,971.92 and 27,986,231.02

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Solution

The fourth proportional to 51,191,102.92, 70,643,971.92 and 27,986,231.02 is: 38,621,135.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,191,102.92 : 70,643,971.92 = 27,986,231.02 : x
  2. Step 2: Convert to fraction form
    51,191,102.92/70,643,971.92 = 27,986,231.02/x
  3. Step 3: Cross multiply
    51,191,102.92x = 70,643,971.92 × 27,986,231.02
  4. Step 4: Simplify right side
    51,191,102.92x = 1,977,058,518,323,513
  5. Step 5: Solve for x
    x = 1,977,058,518,323,513/51,191,102.92
  6. Step 6: Final answer
    x = 38,621,135.42

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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.