Home / 81,909,635.15-113,034,624.75-44,739,939.12

Finding the Fourth Proportional to 81,909,635.15, 113,034,624.75 and 44,739,939.12

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Solution

The fourth proportional to 81,909,635.15, 113,034,624.75 and 44,739,939.12 is: 61,740,749.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,909,635.15 : 113,034,624.75 = 44,739,939.12 : x
  2. Step 2: Convert to fraction form
    81,909,635.15/113,034,624.75 = 44,739,939.12/x
  3. Step 3: Cross multiply
    81,909,635.15x = 113,034,624.75 × 44,739,939.12
  4. Step 4: Simplify right side
    81,909,635.15x = 5,057,162,229,978,985
  5. Step 5: Solve for x
    x = 5,057,162,229,978,985/81,909,635.15
  6. Step 6: Final answer
    x = 61,740,749.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.