Home / 119,356,761.72-179,034,542.64-103,133,349.48

Finding the Fourth Proportional to 119,356,761.72, 179,034,542.64 and 103,133,349.48

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Solution

The fourth proportional to 119,356,761.72, 179,034,542.64 and 103,133,349.48 is: 154,699,505.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,356,761.72 : 179,034,542.64 = 103,133,349.48 : x
  2. Step 2: Convert to fraction form
    119,356,761.72/179,034,542.64 = 103,133,349.48/x
  3. Step 3: Cross multiply
    119,356,761.72x = 179,034,542.64 × 103,133,349.48
  4. Step 4: Simplify right side
    119,356,761.72x = 18,464,432,055,083,080
  5. Step 5: Solve for x
    x = 18,464,432,055,083,080/119,356,761.72
  6. Step 6: Final answer
    x = 154,699,505.83

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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.