Home / 55,399,402.29-76,452,617.07-30,619,980.30

Finding the Fourth Proportional to 55,399,402.29, 76,452,617.07 and 30,619,980.30

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Solution

The fourth proportional to 55,399,402.29, 76,452,617.07 and 30,619,980.30 is: 42,256,369.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,399,402.29 : 76,452,617.07 = 30,619,980.30 : x
  2. Step 2: Convert to fraction form
    55,399,402.29/76,452,617.07 = 30,619,980.30/x
  3. Step 3: Cross multiply
    55,399,402.29x = 76,452,617.07 × 30,619,980.30
  4. Step 4: Simplify right side
    55,399,402.29x = 2,340,977,628,566,843.50
  5. Step 5: Solve for x
    x = 2,340,977,628,566,843.50/55,399,402.29
  6. Step 6: Final answer
    x = 42,256,369.78

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1.5x scale

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.