Home / 54,288,057.80-81,432,086.70-48,335,918.60

Finding the Fourth Proportional to 54,288,057.80, 81,432,086.70 and 48,335,918.60

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Solution

The fourth proportional to 54,288,057.80, 81,432,086.70 and 48,335,918.60 is: 72,503,877.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,288,057.80 : 81,432,086.70 = 48,335,918.60 : x
  2. Step 2: Convert to fraction form
    54,288,057.80/81,432,086.70 = 48,335,918.60/x
  3. Step 3: Cross multiply
    54,288,057.80x = 81,432,086.70 × 48,335,918.60
  4. Step 4: Simplify right side
    54,288,057.80x = 3,936,094,714,159,343
  5. Step 5: Solve for x
    x = 3,936,094,714,159,343/54,288,057.80
  6. Step 6: Final answer
    x = 72,503,877.90

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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.