Home / 54,405,210.10-81,607,815.15-18,019,216.30

Finding the Fourth Proportional to 54,405,210.10, 81,607,815.15 and 18,019,216.30

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Solution

The fourth proportional to 54,405,210.10, 81,607,815.15 and 18,019,216.30 is: 27,028,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,405,210.10 : 81,607,815.15 = 18,019,216.30 : x
  2. Step 2: Convert to fraction form
    54,405,210.10/81,607,815.15 = 18,019,216.30/x
  3. Step 3: Cross multiply
    54,405,210.10x = 81,607,815.15 × 18,019,216.30
  4. Step 4: Simplify right side
    54,405,210.10x = 1,470,508,872,958,267
  5. Step 5: Solve for x
    x = 1,470,508,872,958,267/54,405,210.10
  6. Step 6: Final answer
    x = 27,028,824.45

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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.