Home / 114,973,994.91-172,460,999.88-91,836,600.39

Finding the Fourth Proportional to 114,973,994.91, 172,460,999.88 and 91,836,600.39

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Solution

The fourth proportional to 114,973,994.91, 172,460,999.88 and 91,836,600.39 is: 137,754,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,973,994.91 : 172,460,999.88 = 91,836,600.39 : x
  2. Step 2: Convert to fraction form
    114,973,994.91/172,460,999.88 = 91,836,600.39/x
  3. Step 3: Cross multiply
    114,973,994.91x = 172,460,999.88 × 91,836,600.39
  4. Step 4: Simplify right side
    114,973,994.91x = 15,838,231,928,839,398
  5. Step 5: Solve for x
    x = 15,838,231,928,839,398/114,973,994.91
  6. Step 6: Final answer
    x = 137,754,906.59

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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.