Home / 118,272,022.20-177,408,033.30-67,311,228.60

Finding the Fourth Proportional to 118,272,022.20, 177,408,033.30 and 67,311,228.60

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Solution

The fourth proportional to 118,272,022.20, 177,408,033.30 and 67,311,228.60 is: 100,966,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,272,022.20 : 177,408,033.30 = 67,311,228.60 : x
  2. Step 2: Convert to fraction form
    118,272,022.20/177,408,033.30 = 67,311,228.60/x
  3. Step 3: Cross multiply
    118,272,022.20x = 177,408,033.30 × 67,311,228.60
  4. Step 4: Simplify right side
    118,272,022.20x = 11,941,552,684,932,712
  5. Step 5: Solve for x
    x = 11,941,552,684,932,712/118,272,022.20
  6. Step 6: Final answer
    x = 100,966,842.90

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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.