Home / 76,678,169.27-114,932,059.11-58,422,178.67

Finding the Fourth Proportional to 76,678,169.27, 114,932,059.11 and 58,422,178.67

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Solution

The fourth proportional to 76,678,169.27, 114,932,059.11 and 58,422,178.67 is: 87,568,356.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,678,169.27 : 114,932,059.11 = 58,422,178.67 : x
  2. Step 2: Convert to fraction form
    76,678,169.27/114,932,059.11 = 58,422,178.67/x
  3. Step 3: Cross multiply
    76,678,169.27x = 114,932,059.11 × 58,422,178.67
  4. Step 4: Simplify right side
    76,678,169.27x = 6,714,581,291,660,761
  5. Step 5: Solve for x
    x = 6,714,581,291,660,761/76,678,169.27
  6. Step 6: Final answer
    x = 87,568,356.89

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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.