Home / 87,900,825.60-131,907,225.60-51,509,145.60

Finding the Fourth Proportional to 87,900,825.60, 131,907,225.60 and 51,509,145.60

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Solution

The fourth proportional to 87,900,825.60, 131,907,225.60 and 51,509,145.60 is: 77,296,526.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,900,825.60 : 131,907,225.60 = 51,509,145.60 : x
  2. Step 2: Convert to fraction form
    87,900,825.60/131,907,225.60 = 51,509,145.60/x
  3. Step 3: Cross multiply
    87,900,825.60x = 131,907,225.60 × 51,509,145.60
  4. Step 4: Simplify right side
    87,900,825.60x = 6,794,428,489,122,447
  5. Step 5: Solve for x
    x = 6,794,428,489,122,447/87,900,825.60
  6. Step 6: Final answer
    x = 77,296,526.43

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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.