Home / 114,973,994.37-172,460,999.07-91,836,599.85

Finding the Fourth Proportional to 114,973,994.37, 172,460,999.07 and 91,836,599.85

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Solution

The fourth proportional to 114,973,994.37, 172,460,999.07 and 91,836,599.85 is: 137,754,905.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,973,994.37 : 172,460,999.07 = 91,836,599.85 : x
  2. Step 2: Convert to fraction form
    114,973,994.37/172,460,999.07 = 91,836,599.85/x
  3. Step 3: Cross multiply
    114,973,994.37x = 172,460,999.07 × 91,836,599.85
  4. Step 4: Simplify right side
    114,973,994.37x = 15,838,231,761,322,810
  5. Step 5: Solve for x
    x = 15,838,231,761,322,810/114,973,994.37
  6. Step 6: Final answer
    x = 137,754,905.78

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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.