Home / 76,726,924.80-114,901,430.40-36,290,169.60

Finding the Fourth Proportional to 76,726,924.80, 114,901,430.40 and 36,290,169.60

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Solution

The fourth proportional to 76,726,924.80, 114,901,430.40 and 36,290,169.60 is: 54,345,881.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,726,924.80 : 114,901,430.40 = 36,290,169.60 : x
  2. Step 2: Convert to fraction form
    76,726,924.80/114,901,430.40 = 36,290,169.60/x
  3. Step 3: Cross multiply
    76,726,924.80x = 114,901,430.40 × 36,290,169.60
  4. Step 4: Simplify right side
    76,726,924.80x = 4,169,792,396,498,596
  5. Step 5: Solve for x
    x = 4,169,792,396,498,596/76,726,924.80
  6. Step 6: Final answer
    x = 54,345,881.94

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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.