Home / 137,836,450.90-190,211,838.87-75,113,093.80

Finding the Fourth Proportional to 137,836,450.90, 190,211,838.87 and 75,113,093.80

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Solution

The fourth proportional to 137,836,450.90, 190,211,838.87 and 75,113,093.80 is: 103,654,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,836,450.90 : 190,211,838.87 = 75,113,093.80 : x
  2. Step 2: Convert to fraction form
    137,836,450.90/190,211,838.87 = 75,113,093.80/x
  3. Step 3: Cross multiply
    137,836,450.90x = 190,211,838.87 × 75,113,093.80
  4. Step 4: Simplify right side
    137,836,450.90x = 14,287,399,694,912,796
  5. Step 5: Solve for x
    x = 14,287,399,694,912,796/137,836,450.90
  6. Step 6: Final answer
    x = 103,654,727.05

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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.