Home / 165,889,419.80-248,834,129.70-146,405,874.20

Finding the Fourth Proportional to 165,889,419.80, 248,834,129.70 and 146,405,874.20

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Solution

The fourth proportional to 165,889,419.80, 248,834,129.70 and 146,405,874.20 is: 219,608,811.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,889,419.80 : 248,834,129.70 = 146,405,874.20 : x
  2. Step 2: Convert to fraction form
    165,889,419.80/248,834,129.70 = 146,405,874.20/x
  3. Step 3: Cross multiply
    165,889,419.80x = 248,834,129.70 × 146,405,874.20
  4. Step 4: Simplify right side
    165,889,419.80x = 36,430,778,289,524,680
  5. Step 5: Solve for x
    x = 36,430,778,289,524,680/165,889,419.80
  6. Step 6: Final answer
    x = 219,608,811.30

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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.