Home / 187,086,514.86-258,181,061.09-103,460,304.11

Finding the Fourth Proportional to 187,086,514.86, 258,181,061.09 and 103,460,304.11

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Solution

The fourth proportional to 187,086,514.86, 258,181,061.09 and 103,460,304.11 is: 142,776,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,086,514.86 : 258,181,061.09 = 103,460,304.11 : x
  2. Step 2: Convert to fraction form
    187,086,514.86/258,181,061.09 = 103,460,304.11/x
  3. Step 3: Cross multiply
    187,086,514.86x = 258,181,061.09 × 103,460,304.11
  4. Step 4: Simplify right side
    187,086,514.86x = 26,711,491,094,005,684
  5. Step 5: Solve for x
    x = 26,711,491,094,005,684/187,086,514.86
  6. Step 6: Final answer
    x = 142,776,143.51

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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.