Home / 117,940,756.80-176,911,135.20-66,922,420.80

Finding the Fourth Proportional to 117,940,756.80, 176,911,135.20 and 66,922,420.80

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Solution

The fourth proportional to 117,940,756.80, 176,911,135.20 and 66,922,420.80 is: 100,383,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,940,756.80 : 176,911,135.20 = 66,922,420.80 : x
  2. Step 2: Convert to fraction form
    117,940,756.80/176,911,135.20 = 66,922,420.80/x
  3. Step 3: Cross multiply
    117,940,756.80x = 176,911,135.20 × 66,922,420.80
  4. Step 4: Simplify right side
    117,940,756.80x = 11,839,321,434,060,090
  5. Step 5: Solve for x
    x = 11,839,321,434,060,090/117,940,756.80
  6. Step 6: Final answer
    x = 100,383,631.20

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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.