Home / 128,057,533.34-192,085,657.56-31,013,238.33

Finding the Fourth Proportional to 128,057,533.34, 192,085,657.56 and 31,013,238.33

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Solution

The fourth proportional to 128,057,533.34, 192,085,657.56 and 31,013,238.33 is: 46,519,701.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,057,533.34 : 192,085,657.56 = 31,013,238.33 : x
  2. Step 2: Convert to fraction form
    128,057,533.34/192,085,657.56 = 31,013,238.33/x
  3. Step 3: Cross multiply
    128,057,533.34x = 192,085,657.56 × 31,013,238.33
  4. Step 4: Simplify right side
    128,057,533.34x = 5,957,198,277,683,046
  5. Step 5: Solve for x
    x = 5,957,198,277,683,046/128,057,533.34
  6. Step 6: Final answer
    x = 46,519,701.91

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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.