Home / 47,990,855.66-72,007,021.67-25,807,069.75

Finding the Fourth Proportional to 47,990,855.66, 72,007,021.67 and 25,807,069.75

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Solution

The fourth proportional to 47,990,855.66, 72,007,021.67 and 25,807,069.75 is: 38,721,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,990,855.66 : 72,007,021.67 = 25,807,069.75 : x
  2. Step 2: Convert to fraction form
    47,990,855.66/72,007,021.67 = 25,807,069.75/x
  3. Step 3: Cross multiply
    47,990,855.66x = 72,007,021.67 × 25,807,069.75
  4. Step 4: Simplify right side
    47,990,855.66x = 1,858,290,230,773,930.50
  5. Step 5: Solve for x
    x = 1,858,290,230,773,930.50/47,990,855.66
  6. Step 6: Final answer
    x = 38,721,756.57

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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.