Home / 65,423,821.50-90,285,489.99-36,056,211.48

Finding the Fourth Proportional to 65,423,821.50, 90,285,489.99 and 36,056,211.48

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Solution

The fourth proportional to 65,423,821.50, 90,285,489.99 and 36,056,211.48 is: 49,757,911.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,423,821.50 : 90,285,489.99 = 36,056,211.48 : x
  2. Step 2: Convert to fraction form
    65,423,821.50/90,285,489.99 = 36,056,211.48/x
  3. Step 3: Cross multiply
    65,423,821.50x = 90,285,489.99 × 36,056,211.48
  4. Step 4: Simplify right side
    65,423,821.50x = 3,255,352,720,654,862.50
  5. Step 5: Solve for x
    x = 3,255,352,720,654,862.50/65,423,821.50
  6. Step 6: Final answer
    x = 49,757,911.51

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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.