Home / 128,302,024.80-192,027,884.40-118,098,357.60

Finding the Fourth Proportional to 128,302,024.80, 192,027,884.40 and 118,098,357.60

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Solution

The fourth proportional to 128,302,024.80, 192,027,884.40 and 118,098,357.60 is: 176,756,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,302,024.80 : 192,027,884.40 = 118,098,357.60 : x
  2. Step 2: Convert to fraction form
    128,302,024.80/192,027,884.40 = 118,098,357.60/x
  3. Step 3: Cross multiply
    128,302,024.80x = 192,027,884.40 × 118,098,357.60
  4. Step 4: Simplify right side
    128,302,024.80x = 22,678,177,761,042,660
  5. Step 5: Solve for x
    x = 22,678,177,761,042,660/128,302,024.80
  6. Step 6: Final answer
    x = 176,756,195.36

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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.