Home / 189,583,056.42-261,632,697.67-105,951,184.56

Finding the Fourth Proportional to 189,583,056.42, 261,632,697.67 and 105,951,184.56

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Solution

The fourth proportional to 189,583,056.42, 261,632,697.67 and 105,951,184.56 is: 146,217,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,583,056.42 : 261,632,697.67 = 105,951,184.56 : x
  2. Step 2: Convert to fraction form
    189,583,056.42/261,632,697.67 = 105,951,184.56/x
  3. Step 3: Cross multiply
    189,583,056.42x = 261,632,697.67 × 105,951,184.56
  4. Step 4: Simplify right side
    189,583,056.42x = 27,720,294,237,897,292
  5. Step 5: Solve for x
    x = 27,720,294,237,897,292/189,583,056.42
  6. Step 6: Final answer
    x = 146,217,150.21

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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.