Home / 187,086,505.85-258,181,048.65-103,460,295.09

Finding the Fourth Proportional to 187,086,505.85, 258,181,048.65 and 103,460,295.09

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Solution

The fourth proportional to 187,086,505.85, 258,181,048.65 and 103,460,295.09 is: 142,776,131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,086,505.85 : 258,181,048.65 = 103,460,295.09 : x
  2. Step 2: Convert to fraction form
    187,086,505.85/258,181,048.65 = 103,460,295.09/x
  3. Step 3: Cross multiply
    187,086,505.85x = 258,181,048.65 × 103,460,295.09
  4. Step 4: Simplify right side
    187,086,505.85x = 26,711,487,481,330,800
  5. Step 5: Solve for x
    x = 26,711,487,481,330,800/187,086,505.85
  6. Step 6: Final answer
    x = 142,776,131.07

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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.