Home / 278,469,556.92-384,294,389.04-153,029,551.68

Finding the Fourth Proportional to 278,469,556.92, 384,294,389.04 and 153,029,551.68

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Solution

The fourth proportional to 278,469,556.92, 384,294,389.04 and 153,029,551.68 is: 211,184,298.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,469,556.92 : 384,294,389.04 = 153,029,551.68 : x
  2. Step 2: Convert to fraction form
    278,469,556.92/384,294,389.04 = 153,029,551.68/x
  3. Step 3: Cross multiply
    278,469,556.92x = 384,294,389.04 × 153,029,551.68
  4. Step 4: Simplify right side
    278,469,556.92x = 58,808,398,067,930,712
  5. Step 5: Solve for x
    x = 58,808,398,067,930,712/278,469,556.92
  6. Step 6: Final answer
    x = 211,184,298.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.