Home / 187,394,136.56-258,567,158.40-117,739,159.76

Finding the Fourth Proportional to 187,394,136.56, 258,567,158.40 and 117,739,159.76

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Solution

The fourth proportional to 187,394,136.56, 258,567,158.40 and 117,739,159.76 is: 162,456,950.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,394,136.56 : 258,567,158.40 = 117,739,159.76 : x
  2. Step 2: Convert to fraction form
    187,394,136.56/258,567,158.40 = 117,739,159.76/x
  3. Step 3: Cross multiply
    187,394,136.56x = 258,567,158.40 × 117,739,159.76
  4. Step 4: Simplify right side
    187,394,136.56x = 30,443,479,971,546,828
  5. Step 5: Solve for x
    x = 30,443,479,971,546,828/187,394,136.56
  6. Step 6: Final answer
    x = 162,456,950.52

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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.