Home / 243,605,949.83-365,262,995.34-77,537,723.21

Finding the Fourth Proportional to 243,605,949.83, 365,262,995.34 and 77,537,723.21

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Solution

The fourth proportional to 243,605,949.83, 365,262,995.34 and 77,537,723.21 is: 116,260,136.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,605,949.83 : 365,262,995.34 = 77,537,723.21 : x
  2. Step 2: Convert to fraction form
    243,605,949.83/365,262,995.34 = 77,537,723.21/x
  3. Step 3: Cross multiply
    243,605,949.83x = 365,262,995.34 × 77,537,723.21
  4. Step 4: Simplify right side
    243,605,949.83x = 28,321,661,029,702,124
  5. Step 5: Solve for x
    x = 28,321,661,029,702,124/243,605,949.83
  6. Step 6: Final answer
    x = 116,260,136.71

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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.