Home / 72,155,074.20-108,247,925.70-23,629,343.64

Finding the Fourth Proportional to 72,155,074.20, 108,247,925.70 and 23,629,343.64

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Solution

The fourth proportional to 72,155,074.20, 108,247,925.70 and 23,629,343.64 is: 35,449,030.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,155,074.20 : 108,247,925.70 = 23,629,343.64 : x
  2. Step 2: Convert to fraction form
    72,155,074.20/108,247,925.70 = 23,629,343.64/x
  3. Step 3: Cross multiply
    72,155,074.20x = 108,247,925.70 × 23,629,343.64
  4. Step 4: Simplify right side
    72,155,074.20x = 2,557,827,434,682,487.50
  5. Step 5: Solve for x
    x = 2,557,827,434,682,487.50/72,155,074.20
  6. Step 6: Final answer
    x = 35,449,030.62

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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.