Home / 31,506,441.80-47,259,662.70-25,129,149.80

Finding the Fourth Proportional to 31,506,441.80, 47,259,662.70 and 25,129,149.80

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Solution

The fourth proportional to 31,506,441.80, 47,259,662.70 and 25,129,149.80 is: 37,693,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506,441.80 : 47,259,662.70 = 25,129,149.80 : x
  2. Step 2: Convert to fraction form
    31,506,441.80/47,259,662.70 = 25,129,149.80/x
  3. Step 3: Cross multiply
    31,506,441.80x = 47,259,662.70 × 25,129,149.80
  4. Step 4: Simplify right side
    31,506,441.80x = 1,187,595,143,485,772.50
  5. Step 5: Solve for x
    x = 1,187,595,143,485,772.50/31,506,441.80
  6. Step 6: Final answer
    x = 37,693,724.70

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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.