Home / 55,229,821.50-82,831,444.20-16,891,667.76

Finding the Fourth Proportional to 55,229,821.50, 82,831,444.20 and 16,891,667.76

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Solution

The fourth proportional to 55,229,821.50, 82,831,444.20 and 16,891,667.76 is: 25,333,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,229,821.50 : 82,831,444.20 = 16,891,667.76 : x
  2. Step 2: Convert to fraction form
    55,229,821.50/82,831,444.20 = 16,891,667.76/x
  3. Step 3: Cross multiply
    55,229,821.50x = 82,831,444.20 × 16,891,667.76
  4. Step 4: Simplify right side
    55,229,821.50x = 1,399,161,235,507,379.25
  5. Step 5: Solve for x
    x = 1,399,161,235,507,379.25/55,229,821.50
  6. Step 6: Final answer
    x = 25,333,437.58

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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.