Home / 87,110,553.47-130,685,515.72-28,818,093.60

Finding the Fourth Proportional to 87,110,553.47, 130,685,515.72 and 28,818,093.60

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Solution

The fourth proportional to 87,110,553.47, 130,685,515.72 and 28,818,093.60 is: 43,233,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,110,553.47 : 130,685,515.72 = 28,818,093.60 : x
  2. Step 2: Convert to fraction form
    87,110,553.47/130,685,515.72 = 28,818,093.60/x
  3. Step 3: Cross multiply
    87,110,553.47x = 130,685,515.72 × 28,818,093.60
  4. Step 4: Simplify right side
    87,110,553.47x = 3,766,107,424,006,440.50
  5. Step 5: Solve for x
    x = 3,766,107,424,006,440.50/87,110,553.47
  6. Step 6: Final answer
    x = 43,233,652.80

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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.