Home / 306,069,939.20-459,227,942.40-124,331,340.80

Finding the Fourth Proportional to 306,069,939.20, 459,227,942.40 and 124,331,340.80

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Solution

The fourth proportional to 306,069,939.20, 459,227,942.40 and 124,331,340.80 is: 186,546,989.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,069,939.20 : 459,227,942.40 = 124,331,340.80 : x
  2. Step 2: Convert to fraction form
    306,069,939.20/459,227,942.40 = 124,331,340.80/x
  3. Step 3: Cross multiply
    306,069,939.20x = 459,227,942.40 × 124,331,340.80
  4. Step 4: Simplify right side
    306,069,939.20x = 57,096,425,811,417,168
  5. Step 5: Solve for x
    x = 57,096,425,811,417,168/306,069,939.20
  6. Step 6: Final answer
    x = 186,546,989.75

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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.