Home / 127,770,130.50-176,322,780.18-72,771,104.58

Finding the Fourth Proportional to 127,770,130.50, 176,322,780.18 and 72,771,104.58

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Solution

The fourth proportional to 127,770,130.50, 176,322,780.18 and 72,771,104.58 is: 100,424,124.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,770,130.50 : 176,322,780.18 = 72,771,104.58 : x
  2. Step 2: Convert to fraction form
    127,770,130.50/176,322,780.18 = 72,771,104.58/x
  3. Step 3: Cross multiply
    127,770,130.50x = 176,322,780.18 × 72,771,104.58
  4. Step 4: Simplify right side
    127,770,130.50x = 12,831,203,476,315,132
  5. Step 5: Solve for x
    x = 12,831,203,476,315,132/127,770,130.50
  6. Step 6: Final answer
    x = 100,424,124.37

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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.