Home / 48,278,600.80-72,430,731.60-20,973,176.80

Finding the Fourth Proportional to 48,278,600.80, 72,430,731.60 and 20,973,176.80

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Solution

The fourth proportional to 48,278,600.80, 72,430,731.60 and 20,973,176.80 is: 31,465,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,278,600.80 : 72,430,731.60 = 20,973,176.80 : x
  2. Step 2: Convert to fraction form
    48,278,600.80/72,430,731.60 = 20,973,176.80/x
  3. Step 3: Cross multiply
    48,278,600.80x = 72,430,731.60 × 20,973,176.80
  4. Step 4: Simplify right side
    48,278,600.80x = 1,519,102,539,600,146.75
  5. Step 5: Solve for x
    x = 1,519,102,539,600,146.75/48,278,600.80
  6. Step 6: Final answer
    x = 31,465,338.98

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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.