Home / 115,843,412.80-173,828,104.80-47,692,993.60

Finding the Fourth Proportional to 115,843,412.80, 173,828,104.80 and 47,692,993.60

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Solution

The fourth proportional to 115,843,412.80, 173,828,104.80 and 47,692,993.60 is: 71,565,421.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,843,412.80 : 173,828,104.80 = 47,692,993.60 : x
  2. Step 2: Convert to fraction form
    115,843,412.80/173,828,104.80 = 47,692,993.60/x
  3. Step 3: Cross multiply
    115,843,412.80x = 173,828,104.80 × 47,692,993.60
  4. Step 4: Simplify right side
    115,843,412.80x = 8,290,382,689,726,530
  5. Step 5: Solve for x
    x = 8,290,382,689,726,530/115,843,412.80
  6. Step 6: Final answer
    x = 71,565,421.71

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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.