Home / 87,148,451.07-130,600,329.89-68,872,302.27

Finding the Fourth Proportional to 87,148,451.07, 130,600,329.89 and 68,872,302.27

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Solution

The fourth proportional to 87,148,451.07, 130,600,329.89 and 68,872,302.27 is: 103,211,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,148,451.07 : 130,600,329.89 = 68,872,302.27 : x
  2. Step 2: Convert to fraction form
    87,148,451.07/130,600,329.89 = 68,872,302.27/x
  3. Step 3: Cross multiply
    87,148,451.07x = 130,600,329.89 × 68,872,302.27
  4. Step 4: Simplify right side
    87,148,451.07x = 8,994,745,396,401,434
  5. Step 5: Solve for x
    x = 8,994,745,396,401,434/87,148,451.07
  6. Step 6: Final answer
    x = 103,211,764.36

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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.