Home / 133,029,751.27-182,247,728.48-128,055,982.51

Finding the Fourth Proportional to 133,029,751.27, 182,247,728.48 and 128,055,982.51

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Solution

The fourth proportional to 133,029,751.27, 182,247,728.48 and 128,055,982.51 is: 175,433,778.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,029,751.27 : 182,247,728.48 = 128,055,982.51 : x
  2. Step 2: Convert to fraction form
    133,029,751.27/182,247,728.48 = 128,055,982.51/x
  3. Step 3: Cross multiply
    133,029,751.27x = 182,247,728.48 × 128,055,982.51
  4. Step 4: Simplify right side
    133,029,751.27x = 23,337,911,930,123,632
  5. Step 5: Solve for x
    x = 23,337,911,930,123,632/133,029,751.27
  6. Step 6: Final answer
    x = 175,433,778.59

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.