Home / 192,632,579.38-288,948,068.08-69,782,132.70

Finding the Fourth Proportional to 192,632,579.38, 288,948,068.08 and 69,782,132.70

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Solution

The fourth proportional to 192,632,579.38, 288,948,068.08 and 69,782,132.70 is: 104,672,908.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,632,579.38 : 288,948,068.08 = 69,782,132.70 : x
  2. Step 2: Convert to fraction form
    192,632,579.38/288,948,068.08 = 69,782,132.70/x
  3. Step 3: Cross multiply
    192,632,579.38x = 288,948,068.08 × 69,782,132.70
  4. Step 4: Simplify right side
    192,632,579.38x = 20,163,412,430,167,192
  5. Step 5: Solve for x
    x = 20,163,412,430,167,192/192,632,579.38
  6. Step 6: Final answer
    x = 104,672,908.89

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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.