Home / 74,285,188.80-111,427,783.20-57,279,076.80

Finding the Fourth Proportional to 74,285,188.80, 111,427,783.20 and 57,279,076.80

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Solution

The fourth proportional to 74,285,188.80, 111,427,783.20 and 57,279,076.80 is: 85,918,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,285,188.80 : 111,427,783.20 = 57,279,076.80 : x
  2. Step 2: Convert to fraction form
    74,285,188.80/111,427,783.20 = 57,279,076.80/x
  3. Step 3: Cross multiply
    74,285,188.80x = 111,427,783.20 × 57,279,076.80
  4. Step 4: Simplify right side
    74,285,188.80x = 6,382,480,551,566,550
  5. Step 5: Solve for x
    x = 6,382,480,551,566,550/74,285,188.80
  6. Step 6: Final answer
    x = 85,918,615.20

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Double scale
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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.