Home / 76,032,010.80-114,048,016.20-28,181,617.20

Finding the Fourth Proportional to 76,032,010.80, 114,048,016.20 and 28,181,617.20

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Solution

The fourth proportional to 76,032,010.80, 114,048,016.20 and 28,181,617.20 is: 42,272,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,032,010.80 : 114,048,016.20 = 28,181,617.20 : x
  2. Step 2: Convert to fraction form
    76,032,010.80/114,048,016.20 = 28,181,617.20/x
  3. Step 3: Cross multiply
    76,032,010.80x = 114,048,016.20 × 28,181,617.20
  4. Step 4: Simplify right side
    76,032,010.80x = 3,214,057,534,967,798.50
  5. Step 5: Solve for x
    x = 3,214,057,534,967,798.50/76,032,010.80
  6. Step 6: Final answer
    x = 42,272,425.80

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Similar ratio
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1.5x scale

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.