Home / 55,309,212.60-82,892,960.10-49,215,355.80

Finding the Fourth Proportional to 55,309,212.60, 82,892,960.10 and 49,215,355.80

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Solution

The fourth proportional to 55,309,212.60, 82,892,960.10 and 49,215,355.80 is: 73,759,981.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,309,212.60 : 82,892,960.10 = 49,215,355.80 : x
  2. Step 2: Convert to fraction form
    55,309,212.60/82,892,960.10 = 49,215,355.80/x
  3. Step 3: Cross multiply
    55,309,212.60x = 82,892,960.10 × 49,215,355.80
  4. Step 4: Simplify right side
    55,309,212.60x = 4,079,606,524,636,703
  5. Step 5: Solve for x
    x = 4,079,606,524,636,703/55,309,212.60
  6. Step 6: Final answer
    x = 73,759,981.98

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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.