Home / 52,489,309.20-78,733,963.80-51,072,133.20

Finding the Fourth Proportional to 52,489,309.20, 78,733,963.80 and 51,072,133.20

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Solution

The fourth proportional to 52,489,309.20, 78,733,963.80 and 51,072,133.20 is: 76,608,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,489,309.20 : 78,733,963.80 = 51,072,133.20 : x
  2. Step 2: Convert to fraction form
    52,489,309.20/78,733,963.80 = 51,072,133.20/x
  3. Step 3: Cross multiply
    52,489,309.20x = 78,733,963.80 × 51,072,133.20
  4. Step 4: Simplify right side
    52,489,309.20x = 4,021,111,486,557,578
  5. Step 5: Solve for x
    x = 4,021,111,486,557,578/52,489,309.20
  6. Step 6: Final answer
    x = 76,608,199.80

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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.