Home / 87,616,933.60-131,425,400.40-53,604,709.60

Finding the Fourth Proportional to 87,616,933.60, 131,425,400.40 and 53,604,709.60

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Solution

The fourth proportional to 87,616,933.60, 131,425,400.40 and 53,604,709.60 is: 80,407,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,616,933.60 : 131,425,400.40 = 53,604,709.60 : x
  2. Step 2: Convert to fraction form
    87,616,933.60/131,425,400.40 = 53,604,709.60/x
  3. Step 3: Cross multiply
    87,616,933.60x = 131,425,400.40 × 53,604,709.60
  4. Step 4: Simplify right side
    87,616,933.60x = 7,045,020,422,505,724
  5. Step 5: Solve for x
    x = 7,045,020,422,505,724/87,616,933.60
  6. Step 6: Final answer
    x = 80,407,064.40

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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.