Home / 49,733,234.10-74,635,280.55-20,999,990.70

Finding the Fourth Proportional to 49,733,234.10, 74,635,280.55 and 20,999,990.70

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Solution

The fourth proportional to 49,733,234.10, 74,635,280.55 and 20,999,990.70 is: 31,514,946.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,733,234.10 : 74,635,280.55 = 20,999,990.70 : x
  2. Step 2: Convert to fraction form
    49,733,234.10/74,635,280.55 = 20,999,990.70/x
  3. Step 3: Cross multiply
    49,733,234.10x = 74,635,280.55 × 20,999,990.70
  4. Step 4: Simplify right side
    49,733,234.10x = 1,567,340,197,441,890.75
  5. Step 5: Solve for x
    x = 1,567,340,197,441,890.75/49,733,234.10
  6. Step 6: Final answer
    x = 31,514,946.21

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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.