Home / 54,445,489.40-81,668,234.10-49,060,220.60

Finding the Fourth Proportional to 54,445,489.40, 81,668,234.10 and 49,060,220.60

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Solution

The fourth proportional to 54,445,489.40, 81,668,234.10 and 49,060,220.60 is: 73,590,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,445,489.40 : 81,668,234.10 = 49,060,220.60 : x
  2. Step 2: Convert to fraction form
    54,445,489.40/81,668,234.10 = 49,060,220.60/x
  3. Step 3: Cross multiply
    54,445,489.40x = 81,668,234.10 × 49,060,220.60
  4. Step 4: Simplify right side
    54,445,489.40x = 4,006,661,580,958,442.50
  5. Step 5: Solve for x
    x = 4,006,661,580,958,442.50/54,445,489.40
  6. Step 6: Final answer
    x = 73,590,330.90

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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.