Home / 127,770,118.88-176,322,764.05-72,771,092.96

Finding the Fourth Proportional to 127,770,118.88, 176,322,764.05 and 72,771,092.96

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Solution

The fourth proportional to 127,770,118.88, 176,322,764.05 and 72,771,092.96 is: 100,424,108.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,770,118.88 : 176,322,764.05 = 72,771,092.96 : x
  2. Step 2: Convert to fraction form
    127,770,118.88/176,322,764.05 = 72,771,092.96/x
  3. Step 3: Cross multiply
    127,770,118.88x = 176,322,764.05 × 72,771,092.96
  4. Step 4: Simplify right side
    127,770,118.88x = 12,831,200,252,583,156
  5. Step 5: Solve for x
    x = 12,831,200,252,583,156/127,770,118.88
  6. Step 6: Final answer
    x = 100,424,108.28

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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.