Home / 301,540,979.43-452,337,521.87-83,191,321.80

Finding the Fourth Proportional to 301,540,979.43, 452,337,521.87 and 83,191,321.80

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Solution

The fourth proportional to 301,540,979.43, 452,337,521.87 and 83,191,321.80 is: 124,794,170.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,540,979.43 : 452,337,521.87 = 83,191,321.80 : x
  2. Step 2: Convert to fraction form
    301,540,979.43/452,337,521.87 = 83,191,321.80/x
  3. Step 3: Cross multiply
    301,540,979.43x = 452,337,521.87 × 83,191,321.80
  4. Step 4: Simplify right side
    301,540,979.43x = 37,630,556,344,309,688
  5. Step 5: Solve for x
    x = 37,630,556,344,309,688/301,540,979.43
  6. Step 6: Final answer
    x = 124,794,170.32

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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.