Home / 113,384,201.20-170,076,301.80-78,746,786.80

Finding the Fourth Proportional to 113,384,201.20, 170,076,301.80 and 78,746,786.80

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Solution

The fourth proportional to 113,384,201.20, 170,076,301.80 and 78,746,786.80 is: 118,120,180.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,384,201.20 : 170,076,301.80 = 78,746,786.80 : x
  2. Step 2: Convert to fraction form
    113,384,201.20/170,076,301.80 = 78,746,786.80/x
  3. Step 3: Cross multiply
    113,384,201.20x = 170,076,301.80 × 78,746,786.80
  4. Step 4: Simplify right side
    113,384,201.20x = 13,392,962,277,577,056
  5. Step 5: Solve for x
    x = 13,392,962,277,577,056/113,384,201.20
  6. Step 6: Final answer
    x = 118,120,180.20

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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.