Home / 177,988,277.70-266,982,416.55-165,517,128.90

Finding the Fourth Proportional to 177,988,277.70, 266,982,416.55 and 165,517,128.90

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Solution

The fourth proportional to 177,988,277.70, 266,982,416.55 and 165,517,128.90 is: 248,275,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,988,277.70 : 266,982,416.55 = 165,517,128.90 : x
  2. Step 2: Convert to fraction form
    177,988,277.70/266,982,416.55 = 165,517,128.90/x
  3. Step 3: Cross multiply
    177,988,277.70x = 266,982,416.55 × 165,517,128.90
  4. Step 4: Simplify right side
    177,988,277.70x = 44,190,163,054,139,848
  5. Step 5: Solve for x
    x = 44,190,163,054,139,848/177,988,277.70
  6. Step 6: Final answer
    x = 248,275,693.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.