Home / 207,933,289.60-311,899,934.67-54,594,846.40

Finding the Fourth Proportional to 207,933,289.60, 311,899,934.67 and 54,594,846.40

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Solution

The fourth proportional to 207,933,289.60, 311,899,934.67 and 54,594,846.40 is: 81,892,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,933,289.60 : 311,899,934.67 = 54,594,846.40 : x
  2. Step 2: Convert to fraction form
    207,933,289.60/311,899,934.67 = 54,594,846.40/x
  3. Step 3: Cross multiply
    207,933,289.60x = 311,899,934.67 × 54,594,846.40
  4. Step 4: Simplify right side
    207,933,289.60x = 17,028,129,025,478,686
  5. Step 5: Solve for x
    x = 17,028,129,025,478,686/207,933,289.60
  6. Step 6: Final answer
    x = 81,892,269.67

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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.