Home / 54,555,655.71-81,844,263.85-20,012,378.22

Finding the Fourth Proportional to 54,555,655.71, 81,844,263.85 and 20,012,378.22

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Solution

The fourth proportional to 54,555,655.71, 81,844,263.85 and 20,012,378.22 is: 30,022,521.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,555,655.71 : 81,844,263.85 = 20,012,378.22 : x
  2. Step 2: Convert to fraction form
    54,555,655.71/81,844,263.85 = 20,012,378.22/x
  3. Step 3: Cross multiply
    54,555,655.71x = 81,844,263.85 × 20,012,378.22
  4. Step 4: Simplify right side
    54,555,655.71x = 1,637,898,363,303,673.25
  5. Step 5: Solve for x
    x = 1,637,898,363,303,673.25/54,555,655.71
  6. Step 6: Final answer
    x = 30,022,521.81

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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.