Home / 49,840,079.20-74,679,637.20-28,210,357.60

Finding the Fourth Proportional to 49,840,079.20, 74,679,637.20 and 28,210,357.60

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Solution

The fourth proportional to 49,840,079.20, 74,679,637.20 and 28,210,357.60 is: 42,269,982.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,840,079.20 : 74,679,637.20 = 28,210,357.60 : x
  2. Step 2: Convert to fraction form
    49,840,079.20/74,679,637.20 = 28,210,357.60/x
  3. Step 3: Cross multiply
    49,840,079.20x = 74,679,637.20 × 28,210,357.60
  4. Step 4: Simplify right side
    49,840,079.20x = 2,106,739,270,850,263
  5. Step 5: Solve for x
    x = 2,106,739,270,850,263/49,840,079.20
  6. Step 6: Final answer
    x = 42,269,982.41

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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.