Home / 49,839,923.20-74,679,403.20-28,210,201.60

Finding the Fourth Proportional to 49,839,923.20, 74,679,403.20 and 28,210,201.60

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Solution

The fourth proportional to 49,839,923.20, 74,679,403.20 and 28,210,201.60 is: 42,269,748.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,839,923.20 : 74,679,403.20 = 28,210,201.60 : x
  2. Step 2: Convert to fraction form
    49,839,923.20/74,679,403.20 = 28,210,201.60/x
  3. Step 3: Cross multiply
    49,839,923.20x = 74,679,403.20 × 28,210,201.60
  4. Step 4: Simplify right side
    49,839,923.20x = 2,106,721,019,639,685.25
  5. Step 5: Solve for x
    x = 2,106,721,019,639,685.25/49,839,923.20
  6. Step 6: Final answer
    x = 42,269,748.51

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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.