Home / 208,752,376.96-313,004,519.04-79,369,457.92

Finding the Fourth Proportional to 208,752,376.96, 313,004,519.04 and 79,369,457.92

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Solution

The fourth proportional to 208,752,376.96, 313,004,519.04 and 79,369,457.92 is: 119,007,023.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,752,376.96 : 313,004,519.04 = 79,369,457.92 : x
  2. Step 2: Convert to fraction form
    208,752,376.96/313,004,519.04 = 79,369,457.92/x
  3. Step 3: Cross multiply
    208,752,376.96x = 313,004,519.04 × 79,369,457.92
  4. Step 4: Simplify right side
    208,752,376.96x = 24,842,999,002,715,120
  5. Step 5: Solve for x
    x = 24,842,999,002,715,120/208,752,376.96
  6. Step 6: Final answer
    x = 119,007,023.37

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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.