Home / 278,960,586.92-384,969,140.39-153,527,224.89

Finding the Fourth Proportional to 278,960,586.92, 384,969,140.39 and 153,527,224.89

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Solution

The fourth proportional to 278,960,586.92, 384,969,140.39 and 153,527,224.89 is: 211,869,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,960,586.92 : 384,969,140.39 = 153,527,224.89 : x
  2. Step 2: Convert to fraction form
    278,960,586.92/384,969,140.39 = 153,527,224.89/x
  3. Step 3: Cross multiply
    278,960,586.92x = 384,969,140.39 × 153,527,224.89
  4. Step 4: Simplify right side
    278,960,586.92x = 59,103,243,792,749,320
  5. Step 5: Solve for x
    x = 59,103,243,792,749,320/278,960,586.92
  6. Step 6: Final answer
    x = 211,869,513.35

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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.