Home / 54,555,689.40-81,844,314.36-20,012,411.88

Finding the Fourth Proportional to 54,555,689.40, 81,844,314.36 and 20,012,411.88

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Solution

The fourth proportional to 54,555,689.40, 81,844,314.36 and 20,012,411.88 is: 30,022,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,555,689.40 : 81,844,314.36 = 20,012,411.88 : x
  2. Step 2: Convert to fraction form
    54,555,689.40/81,844,314.36 = 20,012,411.88/x
  3. Step 3: Cross multiply
    54,555,689.40x = 81,844,314.36 × 20,012,411.88
  4. Step 4: Simplify right side
    54,555,689.40x = 1,637,902,129,008,518.50
  5. Step 5: Solve for x
    x = 1,637,902,129,008,518.50/54,555,689.40
  6. Step 6: Final answer
    x = 30,022,572.29

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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.