Home / 137,823,157.60-190,187,387.76-75,940,033.12

Finding the Fourth Proportional to 137,823,157.60, 190,187,387.76 and 75,940,033.12

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Solution

The fourth proportional to 137,823,157.60, 190,187,387.76 and 75,940,033.12 is: 104,792,523.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,823,157.60 : 190,187,387.76 = 75,940,033.12 : x
  2. Step 2: Convert to fraction form
    137,823,157.60/190,187,387.76 = 75,940,033.12/x
  3. Step 3: Cross multiply
    137,823,157.60x = 190,187,387.76 × 75,940,033.12
  4. Step 4: Simplify right side
    137,823,157.60x = 14,442,836,525,500,682
  5. Step 5: Solve for x
    x = 14,442,836,525,500,682/137,823,157.60
  6. Step 6: Final answer
    x = 104,792,523.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.