Home / 114,782,708.34-172,174,187.16-28,521,115.20

Finding the Fourth Proportional to 114,782,708.34, 172,174,187.16 and 28,521,115.20

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Solution

The fourth proportional to 114,782,708.34, 172,174,187.16 and 28,521,115.20 is: 42,781,703.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,782,708.34 : 172,174,187.16 = 28,521,115.20 : x
  2. Step 2: Convert to fraction form
    114,782,708.34/172,174,187.16 = 28,521,115.20/x
  3. Step 3: Cross multiply
    114,782,708.34x = 172,174,187.16 × 28,521,115.20
  4. Step 4: Simplify right side
    114,782,708.34x = 4,910,599,826,456,721
  5. Step 5: Solve for x
    x = 4,910,599,826,456,721/114,782,708.34
  6. Step 6: Final answer
    x = 42,781,703.77

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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.