Home / 205,605,992.69-308,378,652.54-60,000,458.90

Finding the Fourth Proportional to 205,605,992.69, 308,378,652.54 and 60,000,458.90

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Solution

The fourth proportional to 205,605,992.69, 308,378,652.54 and 60,000,458.90 is: 89,991,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,605,992.69 : 308,378,652.54 = 60,000,458.90 : x
  2. Step 2: Convert to fraction form
    205,605,992.69/308,378,652.54 = 60,000,458.90/x
  3. Step 3: Cross multiply
    205,605,992.69x = 308,378,652.54 × 60,000,458.90
  4. Step 4: Simplify right side
    205,605,992.69x = 18,502,860,665,821,760
  5. Step 5: Solve for x
    x = 18,502,860,665,821,760/205,605,992.69
  6. Step 6: Final answer
    x = 89,991,835.47

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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.