Home / 114,973,991.38-172,460,994.57-91,836,596.86

Finding the Fourth Proportional to 114,973,991.38, 172,460,994.57 and 91,836,596.86

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Solution

The fourth proportional to 114,973,991.38, 172,460,994.57 and 91,836,596.86 is: 137,754,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,973,991.38 : 172,460,994.57 = 91,836,596.86 : x
  2. Step 2: Convert to fraction form
    114,973,991.38/172,460,994.57 = 91,836,596.86/x
  3. Step 3: Cross multiply
    114,973,991.38x = 172,460,994.57 × 91,836,596.86
  4. Step 4: Simplify right side
    114,973,991.38x = 15,838,230,831,968,586
  5. Step 5: Solve for x
    x = 15,838,230,831,968,586/114,973,991.38
  6. Step 6: Final answer
    x = 137,754,901.28

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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.