Home / 168,556,813.20-252,852,059.70-45,737,080.20

Finding the Fourth Proportional to 168,556,813.20, 252,852,059.70 and 45,737,080.20

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Solution

The fourth proportional to 168,556,813.20, 252,852,059.70 and 45,737,080.20 is: 68,610,189.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,556,813.20 : 252,852,059.70 = 45,737,080.20 : x
  2. Step 2: Convert to fraction form
    168,556,813.20/252,852,059.70 = 45,737,080.20/x
  3. Step 3: Cross multiply
    168,556,813.20x = 252,852,059.70 × 45,737,080.20
  4. Step 4: Simplify right side
    168,556,813.20x = 11,564,714,933,234,088
  5. Step 5: Solve for x
    x = 11,564,714,933,234,088/168,556,813.20
  6. Step 6: Final answer
    x = 68,610,189.73

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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.