Home / 344,078,234.80-516,117,352.20-172,085,556.40

Finding the Fourth Proportional to 344,078,234.80, 516,117,352.20 and 172,085,556.40

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Solution

The fourth proportional to 344,078,234.80, 516,117,352.20 and 172,085,556.40 is: 258,128,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,078,234.80 : 516,117,352.20 = 172,085,556.40 : x
  2. Step 2: Convert to fraction form
    344,078,234.80/516,117,352.20 = 172,085,556.40/x
  3. Step 3: Cross multiply
    344,078,234.80x = 516,117,352.20 × 172,085,556.40
  4. Step 4: Simplify right side
    344,078,234.80x = 88,816,341,721,031,760
  5. Step 5: Solve for x
    x = 88,816,341,721,031,760/344,078,234.80
  6. Step 6: Final answer
    x = 258,128,334.60

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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.