Home / 189,427,694.70-261,266,174.67-163,010,574.51

Finding the Fourth Proportional to 189,427,694.70, 261,266,174.67 and 163,010,574.51

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Solution

The fourth proportional to 189,427,694.70, 261,266,174.67 and 163,010,574.51 is: 224,830,636.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,427,694.70 : 261,266,174.67 = 163,010,574.51 : x
  2. Step 2: Convert to fraction form
    189,427,694.70/261,266,174.67 = 163,010,574.51/x
  3. Step 3: Cross multiply
    189,427,694.70x = 261,266,174.67 × 163,010,574.51
  4. Step 4: Simplify right side
    189,427,694.70x = 42,589,149,232,986,704
  5. Step 5: Solve for x
    x = 42,589,149,232,986,704/189,427,694.70
  6. Step 6: Final answer
    x = 224,830,636.83

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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.