Home / 189,230,474.40-261,137,563.20-105,597,727.56

Finding the Fourth Proportional to 189,230,474.40, 261,137,563.20 and 105,597,727.56

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Solution

The fourth proportional to 189,230,474.40, 261,137,563.20 and 105,597,727.56 is: 145,724,589.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,230,474.40 : 261,137,563.20 = 105,597,727.56 : x
  2. Step 2: Convert to fraction form
    189,230,474.40/261,137,563.20 = 105,597,727.56/x
  3. Step 3: Cross multiply
    189,230,474.40x = 261,137,563.20 × 105,597,727.56
  4. Step 4: Simplify right side
    189,230,474.40x = 27,575,533,254,475,880
  5. Step 5: Solve for x
    x = 27,575,533,254,475,880/189,230,474.40
  6. Step 6: Final answer
    x = 145,724,589.77

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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.