Home / 192,738,689.10-289,108,025.55-56,424,072.06

Finding the Fourth Proportional to 192,738,689.10, 289,108,025.55 and 56,424,072.06

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Solution

The fourth proportional to 192,738,689.10, 289,108,025.55 and 56,424,072.06 is: 84,636,105.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,738,689.10 : 289,108,025.55 = 56,424,072.06 : x
  2. Step 2: Convert to fraction form
    192,738,689.10/289,108,025.55 = 56,424,072.06/x
  3. Step 3: Cross multiply
    192,738,689.10x = 289,108,025.55 × 56,424,072.06
  4. Step 4: Simplify right side
    192,738,689.10x = 16,312,652,066,757,522
  5. Step 5: Solve for x
    x = 16,312,652,066,757,522/192,738,689.10
  6. Step 6: Final answer
    x = 84,636,105.72

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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.