Home / 189,198,889.32-261,045,056.42-110,840,319.58

Finding the Fourth Proportional to 189,198,889.32, 261,045,056.42 and 110,840,319.58

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Solution

The fourth proportional to 189,198,889.32, 261,045,056.42 and 110,840,319.58 is: 152,930,694.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,198,889.32 : 261,045,056.42 = 110,840,319.58 : x
  2. Step 2: Convert to fraction form
    189,198,889.32/261,045,056.42 = 110,840,319.58/x
  3. Step 3: Cross multiply
    189,198,889.32x = 261,045,056.42 × 110,840,319.58
  4. Step 4: Simplify right side
    189,198,889.32x = 28,934,317,478,371,928
  5. Step 5: Solve for x
    x = 28,934,317,478,371,928/189,198,889.32
  6. Step 6: Final answer
    x = 152,930,694.16

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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.