Home / 127,770,132.50-176,322,782.94-72,771,106.58

Finding the Fourth Proportional to 127,770,132.50, 176,322,782.94 and 72,771,106.58

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Solution

The fourth proportional to 127,770,132.50, 176,322,782.94 and 72,771,106.58 is: 100,424,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,770,132.50 : 176,322,782.94 = 72,771,106.58 : x
  2. Step 2: Convert to fraction form
    127,770,132.50/176,322,782.94 = 72,771,106.58/x
  3. Step 3: Cross multiply
    127,770,132.50x = 176,322,782.94 × 72,771,106.58
  4. Step 4: Simplify right side
    127,770,132.50x = 12,831,204,029,808,946
  5. Step 5: Solve for x
    x = 12,831,204,029,808,946/127,770,132.50
  6. Step 6: Final answer
    x = 100,424,127.13

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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.