Home / 170,142,891.40-255,214,337.10-55,131,185.80

Finding the Fourth Proportional to 170,142,891.40, 255,214,337.10 and 55,131,185.80

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Solution

The fourth proportional to 170,142,891.40, 255,214,337.10 and 55,131,185.80 is: 82,696,778.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,142,891.40 : 255,214,337.10 = 55,131,185.80 : x
  2. Step 2: Convert to fraction form
    170,142,891.40/255,214,337.10 = 55,131,185.80/x
  3. Step 3: Cross multiply
    170,142,891.40x = 255,214,337.10 × 55,131,185.80
  4. Step 4: Simplify right side
    170,142,891.40x = 14,070,269,037,483,932
  5. Step 5: Solve for x
    x = 14,070,269,037,483,932/170,142,891.40
  6. Step 6: Final answer
    x = 82,696,778.70

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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.