Home / 154,003,324.04-231,005,379.86-38,987,878.66

Finding the Fourth Proportional to 154,003,324.04, 231,005,379.86 and 38,987,878.66

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Solution

The fourth proportional to 154,003,324.04, 231,005,379.86 and 38,987,878.66 is: 58,481,917.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,003,324.04 : 231,005,379.86 = 38,987,878.66 : x
  2. Step 2: Convert to fraction form
    154,003,324.04/231,005,379.86 = 38,987,878.66/x
  3. Step 3: Cross multiply
    154,003,324.04x = 231,005,379.86 × 38,987,878.66
  4. Step 4: Simplify right side
    154,003,324.04x = 9,006,409,719,788,888
  5. Step 5: Solve for x
    x = 9,006,409,719,788,888/154,003,324.04
  6. Step 6: Final answer
    x = 58,481,917.69

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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.