Home / 254,508,615.09-381,233,246.40-161,933,779.89

Finding the Fourth Proportional to 254,508,615.09, 381,233,246.40 and 161,933,779.89

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Solution

The fourth proportional to 254,508,615.09, 381,233,246.40 and 161,933,779.89 is: 242,563,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,508,615.09 : 381,233,246.40 = 161,933,779.89 : x
  2. Step 2: Convert to fraction form
    254,508,615.09/381,233,246.40 = 161,933,779.89/x
  3. Step 3: Cross multiply
    254,508,615.09x = 381,233,246.40 × 161,933,779.89
  4. Step 4: Simplify right side
    254,508,615.09x = 61,734,540,609,287,728
  5. Step 5: Solve for x
    x = 61,734,540,609,287,728/254,508,615.09
  6. Step 6: Final answer
    x = 242,563,657.77

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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.