Home / 187,086,511.36-258,181,056.26-103,460,300.61

Finding the Fourth Proportional to 187,086,511.36, 258,181,056.26 and 103,460,300.61

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Solution

The fourth proportional to 187,086,511.36, 258,181,056.26 and 103,460,300.61 is: 142,776,138.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,086,511.36 : 258,181,056.26 = 103,460,300.61 : x
  2. Step 2: Convert to fraction form
    187,086,511.36/258,181,056.26 = 103,460,300.61/x
  3. Step 3: Cross multiply
    187,086,511.36x = 258,181,056.26 × 103,460,300.61
  4. Step 4: Simplify right side
    187,086,511.36x = 26,711,489,692,466,920
  5. Step 5: Solve for x
    x = 26,711,489,692,466,920/187,086,511.36
  6. Step 6: Final answer
    x = 142,776,138.69

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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.