Home / 187,068,976.58-258,149,843.42-103,435,666.58

Finding the Fourth Proportional to 187,068,976.58, 258,149,843.42 and 103,435,666.58

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Solution

The fourth proportional to 187,068,976.58, 258,149,843.42 and 103,435,666.58 is: 142,738,264.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,068,976.58 : 258,149,843.42 = 103,435,666.58 : x
  2. Step 2: Convert to fraction form
    187,068,976.58/258,149,843.42 = 103,435,666.58/x
  3. Step 3: Cross multiply
    187,068,976.58x = 258,149,843.42 × 103,435,666.58
  4. Step 4: Simplify right side
    187,068,976.58x = 26,701,901,131,670,324
  5. Step 5: Solve for x
    x = 26,701,901,131,670,324/187,068,976.58
  6. Step 6: Final answer
    x = 142,738,264.89

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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.