Home / 187,086,520.49-258,181,068.83-103,460,309.73

Finding the Fourth Proportional to 187,086,520.49, 258,181,068.83 and 103,460,309.73

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Solution

The fourth proportional to 187,086,520.49, 258,181,068.83 and 103,460,309.73 is: 142,776,151.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,086,520.49 : 258,181,068.83 = 103,460,309.73 : x
  2. Step 2: Convert to fraction form
    187,086,520.49/258,181,068.83 = 103,460,309.73/x
  3. Step 3: Cross multiply
    187,086,520.49x = 258,181,068.83 × 103,460,309.73
  4. Step 4: Simplify right side
    187,086,520.49x = 26,711,493,347,056,948
  5. Step 5: Solve for x
    x = 26,711,493,347,056,948/187,086,520.49
  6. Step 6: Final answer
    x = 142,776,151.26

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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.