Home / 228,672,391.20-343,008,586.80-131,926,509.60

Finding the Fourth Proportional to 228,672,391.20, 343,008,586.80 and 131,926,509.60

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Solution

The fourth proportional to 228,672,391.20, 343,008,586.80 and 131,926,509.60 is: 197,889,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,672,391.20 : 343,008,586.80 = 131,926,509.60 : x
  2. Step 2: Convert to fraction form
    228,672,391.20/343,008,586.80 = 131,926,509.60/x
  3. Step 3: Cross multiply
    228,672,391.20x = 343,008,586.80 × 131,926,509.60
  4. Step 4: Simplify right side
    228,672,391.20x = 45,251,925,619,352,632
  5. Step 5: Solve for x
    x = 45,251,925,619,352,632/228,672,391.20
  6. Step 6: Final answer
    x = 197,889,764.40

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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.