Home / 170,142,886.40-255,214,329.60-55,131,180.80

Finding the Fourth Proportional to 170,142,886.40, 255,214,329.60 and 55,131,180.80

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Solution

The fourth proportional to 170,142,886.40, 255,214,329.60 and 55,131,180.80 is: 82,696,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,142,886.40 : 255,214,329.60 = 55,131,180.80 : x
  2. Step 2: Convert to fraction form
    170,142,886.40/255,214,329.60 = 55,131,180.80/x
  3. Step 3: Cross multiply
    170,142,886.40x = 255,214,329.60 × 55,131,180.80
  4. Step 4: Simplify right side
    170,142,886.40x = 14,070,267,347,928,390
  5. Step 5: Solve for x
    x = 14,070,267,347,928,390/170,142,886.40
  6. Step 6: Final answer
    x = 82,696,771.20

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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.