Home / 168,556,811.70-252,852,057.45-45,737,078.70

Finding the Fourth Proportional to 168,556,811.70, 252,852,057.45 and 45,737,078.70

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Solution

The fourth proportional to 168,556,811.70, 252,852,057.45 and 45,737,078.70 is: 68,610,187.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,556,811.70 : 252,852,057.45 = 45,737,078.70 : x
  2. Step 2: Convert to fraction form
    168,556,811.70/252,852,057.45 = 45,737,078.70/x
  3. Step 3: Cross multiply
    168,556,811.70x = 252,852,057.45 × 45,737,078.70
  4. Step 4: Simplify right side
    168,556,811.70x = 11,564,714,451,047,572
  5. Step 5: Solve for x
    x = 11,564,714,451,047,572/168,556,811.70
  6. Step 6: Final answer
    x = 68,610,187.48

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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.