Home / 76,726,785.80-114,901,221.90-36,290,030.60

Finding the Fourth Proportional to 76,726,785.80, 114,901,221.90 and 36,290,030.60

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Solution

The fourth proportional to 76,726,785.80, 114,901,221.90 and 36,290,030.60 is: 54,345,673.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,726,785.80 : 114,901,221.90 = 36,290,030.60 : x
  2. Step 2: Convert to fraction form
    76,726,785.80/114,901,221.90 = 36,290,030.60/x
  3. Step 3: Cross multiply
    76,726,785.80x = 114,901,221.90 × 36,290,030.60
  4. Step 4: Simplify right side
    76,726,785.80x = 4,169,768,858,728,390.50
  5. Step 5: Solve for x
    x = 4,169,768,858,728,390.50/76,726,785.80
  6. Step 6: Final answer
    x = 54,345,673.62

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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.