Home / 205,860,910.52-284,092,992.74-111,779,022.85

Finding the Fourth Proportional to 205,860,910.52, 284,092,992.74 and 111,779,022.85

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Solution

The fourth proportional to 205,860,910.52, 284,092,992.74 and 111,779,022.85 is: 154,257,731.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,860,910.52 : 284,092,992.74 = 111,779,022.85 : x
  2. Step 2: Convert to fraction form
    205,860,910.52/284,092,992.74 = 111,779,022.85/x
  3. Step 3: Cross multiply
    205,860,910.52x = 284,092,992.74 × 111,779,022.85
  4. Step 4: Simplify right side
    205,860,910.52x = 31,755,637,125,740,216
  5. Step 5: Solve for x
    x = 31,755,637,125,740,216/205,860,910.52
  6. Step 6: Final answer
    x = 154,257,731.81

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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.