Home / 117,504,290.40-176,256,435.60-71,520,136.80

Finding the Fourth Proportional to 117,504,290.40, 176,256,435.60 and 71,520,136.80

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Solution

The fourth proportional to 117,504,290.40, 176,256,435.60 and 71,520,136.80 is: 107,280,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,504,290.40 : 176,256,435.60 = 71,520,136.80 : x
  2. Step 2: Convert to fraction form
    117,504,290.40/176,256,435.60 = 71,520,136.80/x
  3. Step 3: Cross multiply
    117,504,290.40x = 176,256,435.60 × 71,520,136.80
  4. Step 4: Simplify right side
    117,504,290.40x = 12,605,884,385,992,390
  5. Step 5: Solve for x
    x = 12,605,884,385,992,390/117,504,290.40
  6. Step 6: Final answer
    x = 107,280,205.20

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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.