Home / 48,978,133.60-73,467,200.40-43,687,343.20

Finding the Fourth Proportional to 48,978,133.60, 73,467,200.40 and 43,687,343.20

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Solution

The fourth proportional to 48,978,133.60, 73,467,200.40 and 43,687,343.20 is: 65,531,014.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,978,133.60 : 73,467,200.40 = 43,687,343.20 : x
  2. Step 2: Convert to fraction form
    48,978,133.60/73,467,200.40 = 43,687,343.20/x
  3. Step 3: Cross multiply
    48,978,133.60x = 73,467,200.40 × 43,687,343.20
  4. Step 4: Simplify right side
    48,978,133.60x = 3,209,586,797,817,978
  5. Step 5: Solve for x
    x = 3,209,586,797,817,978/48,978,133.60
  6. Step 6: Final answer
    x = 65,531,014.80

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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.