Home / 272,243,099.40-408,524,081.40-99,737,350.80

Finding the Fourth Proportional to 272,243,099.40, 408,524,081.40 and 99,737,350.80

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Solution

The fourth proportional to 272,243,099.40, 408,524,081.40 and 99,737,350.80 is: 149,664,434.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,243,099.40 : 408,524,081.40 = 99,737,350.80 : x
  2. Step 2: Convert to fraction form
    272,243,099.40/408,524,081.40 = 99,737,350.80/x
  3. Step 3: Cross multiply
    272,243,099.40x = 408,524,081.40 × 99,737,350.80
  4. Step 4: Simplify right side
    272,243,099.40x = 40,745,109,616,839,552
  5. Step 5: Solve for x
    x = 40,745,109,616,839,552/272,243,099.40
  6. Step 6: Final answer
    x = 149,664,434.86

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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.