Home / 72,656,884.56-100,290,797.34-43,297,423.68

Finding the Fourth Proportional to 72,656,884.56, 100,290,797.34 and 43,297,423.68

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Solution

The fourth proportional to 72,656,884.56, 100,290,797.34 and 43,297,423.68 is: 59,764,923.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,656,884.56 : 100,290,797.34 = 43,297,423.68 : x
  2. Step 2: Convert to fraction form
    72,656,884.56/100,290,797.34 = 43,297,423.68/x
  3. Step 3: Cross multiply
    72,656,884.56x = 100,290,797.34 × 43,297,423.68
  4. Step 4: Simplify right side
    72,656,884.56x = 4,342,333,143,634,997
  5. Step 5: Solve for x
    x = 4,342,333,143,634,997/72,656,884.56
  6. Step 6: Final answer
    x = 59,764,923.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.