Home / 54,126,419.10-81,189,628.65-48,751,647.90

Finding the Fourth Proportional to 54,126,419.10, 81,189,628.65 and 48,751,647.90

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Solution

The fourth proportional to 54,126,419.10, 81,189,628.65 and 48,751,647.90 is: 73,127,471.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,126,419.10 : 81,189,628.65 = 48,751,647.90 : x
  2. Step 2: Convert to fraction form
    54,126,419.10/81,189,628.65 = 48,751,647.90/x
  3. Step 3: Cross multiply
    54,126,419.10x = 81,189,628.65 × 48,751,647.90
  4. Step 4: Simplify right side
    54,126,419.10x = 3,958,128,189,076,552.50
  5. Step 5: Solve for x
    x = 3,958,128,189,076,552.50/54,126,419.10
  6. Step 6: Final answer
    x = 73,127,471.85

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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.