Home / 192,738,720.60-289,108,072.80-56,424,103.56

Finding the Fourth Proportional to 192,738,720.60, 289,108,072.80 and 56,424,103.56

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Solution

The fourth proportional to 192,738,720.60, 289,108,072.80 and 56,424,103.56 is: 84,636,152.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,738,720.60 : 289,108,072.80 = 56,424,103.56 : x
  2. Step 2: Convert to fraction form
    192,738,720.60/289,108,072.80 = 56,424,103.56/x
  3. Step 3: Cross multiply
    192,738,720.60x = 289,108,072.80 × 56,424,103.56
  4. Step 4: Simplify right side
    192,738,720.60x = 16,312,663,839,699,220
  5. Step 5: Solve for x
    x = 16,312,663,839,699,220/192,738,720.60
  6. Step 6: Final answer
    x = 84,636,152.97

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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.