Home / 92,318,874.72-126,732,916.04-79,243,433.52

Finding the Fourth Proportional to 92,318,874.72, 126,732,916.04 and 79,243,433.52

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Solution

The fourth proportional to 92,318,874.72, 126,732,916.04 and 79,243,433.52 is: 108,783,295.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,318,874.72 : 126,732,916.04 = 79,243,433.52 : x
  2. Step 2: Convert to fraction form
    92,318,874.72/126,732,916.04 = 79,243,433.52/x
  3. Step 3: Cross multiply
    92,318,874.72x = 126,732,916.04 × 79,243,433.52
  4. Step 4: Simplify right side
    92,318,874.72x = 10,042,751,407,011,482
  5. Step 5: Solve for x
    x = 10,042,751,407,011,482/92,318,874.72
  6. Step 6: Final answer
    x = 108,783,295.26

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.