Home / 52,503,816.70-78,732,105.45-20,144,964.70

Finding the Fourth Proportional to 52,503,816.70, 78,732,105.45 and 20,144,964.70

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Solution

The fourth proportional to 52,503,816.70, 78,732,105.45 and 20,144,964.70 is: 30,208,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,503,816.70 : 78,732,105.45 = 20,144,964.70 : x
  2. Step 2: Convert to fraction form
    52,503,816.70/78,732,105.45 = 20,144,964.70/x
  3. Step 3: Cross multiply
    52,503,816.70x = 78,732,105.45 × 20,144,964.70
  4. Step 4: Simplify right side
    52,503,816.70x = 1,586,055,485,046,927.50
  5. Step 5: Solve for x
    x = 1,586,055,485,046,927.50/52,503,816.70
  6. Step 6: Final answer
    x = 30,208,384.55

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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.