Home / 87,768,289.14-131,706,244.77-39,287,135.58

Finding the Fourth Proportional to 87,768,289.14, 131,706,244.77 and 39,287,135.58

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Solution

The fourth proportional to 87,768,289.14, 131,706,244.77 and 39,287,135.58 is: 58,954,790.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,768,289.14 : 131,706,244.77 = 39,287,135.58 : x
  2. Step 2: Convert to fraction form
    87,768,289.14/131,706,244.77 = 39,287,135.58/x
  3. Step 3: Cross multiply
    87,768,289.14x = 131,706,244.77 × 39,287,135.58
  4. Step 4: Simplify right side
    87,768,289.14x = 5,174,361,095,011,656
  5. Step 5: Solve for x
    x = 5,174,361,095,011,656/87,768,289.14
  6. Step 6: Final answer
    x = 58,954,790.46

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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.