Home / 87,366,911.40-131,050,367.10-53,354,687.40

Finding the Fourth Proportional to 87,366,911.40, 131,050,367.10 and 53,354,687.40

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Solution

The fourth proportional to 87,366,911.40, 131,050,367.10 and 53,354,687.40 is: 80,032,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,366,911.40 : 131,050,367.10 = 53,354,687.40 : x
  2. Step 2: Convert to fraction form
    87,366,911.40/131,050,367.10 = 53,354,687.40/x
  3. Step 3: Cross multiply
    87,366,911.40x = 131,050,367.10 × 53,354,687.40
  4. Step 4: Simplify right side
    87,366,911.40x = 6,992,151,370,275,744
  5. Step 5: Solve for x
    x = 6,992,151,370,275,744/87,366,911.40
  6. Step 6: Final answer
    x = 80,032,031.10

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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.