Home / 205,605,983.72-308,378,639.14-60,000,449.94

Finding the Fourth Proportional to 205,605,983.72, 308,378,639.14 and 60,000,449.94

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Solution

The fourth proportional to 205,605,983.72, 308,378,639.14 and 60,000,449.94 is: 89,991,822.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,605,983.72 : 308,378,639.14 = 60,000,449.94 : x
  2. Step 2: Convert to fraction form
    205,605,983.72/308,378,639.14 = 60,000,449.94/x
  3. Step 3: Cross multiply
    205,605,983.72x = 308,378,639.14 × 60,000,449.94
  4. Step 4: Simplify right side
    205,605,983.72x = 18,502,857,099,090,012
  5. Step 5: Solve for x
    x = 18,502,857,099,090,012/205,605,983.72
  6. Step 6: Final answer
    x = 89,991,822.05

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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.