Home / 187,086,498.20-258,181,038.05-103,460,287.44

Finding the Fourth Proportional to 187,086,498.20, 258,181,038.05 and 103,460,287.44

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Solution

The fourth proportional to 187,086,498.20, 258,181,038.05 and 103,460,287.44 is: 142,776,120.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,086,498.20 : 258,181,038.05 = 103,460,287.44 : x
  2. Step 2: Convert to fraction form
    187,086,498.20/258,181,038.05 = 103,460,287.44/x
  3. Step 3: Cross multiply
    187,086,498.20x = 258,181,038.05 × 103,460,287.44
  4. Step 4: Simplify right side
    187,086,498.20x = 26,711,484,407,693,272
  5. Step 5: Solve for x
    x = 26,711,484,407,693,272/187,086,498.20
  6. Step 6: Final answer
    x = 142,776,120.49

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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.