Home / 76,289,949.28-105,280,624.56-41,483,018.08

Finding the Fourth Proportional to 76,289,949.28, 105,280,624.56 and 41,483,018.08

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Solution

The fourth proportional to 76,289,949.28, 105,280,624.56 and 41,483,018.08 is: 57,246,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,289,949.28 : 105,280,624.56 = 41,483,018.08 : x
  2. Step 2: Convert to fraction form
    76,289,949.28/105,280,624.56 = 41,483,018.08/x
  3. Step 3: Cross multiply
    76,289,949.28x = 105,280,624.56 × 41,483,018.08
  4. Step 4: Simplify right side
    76,289,949.28x = 4,367,358,052,096,172
  5. Step 5: Solve for x
    x = 4,367,358,052,096,172/76,289,949.28
  6. Step 6: Final answer
    x = 57,246,833.87

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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.