Home / 71,351,999.55-107,027,999.33-49,828,639.05

Finding the Fourth Proportional to 71,351,999.55, 107,027,999.33 and 49,828,639.05

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Solution

The fourth proportional to 71,351,999.55, 107,027,999.33 and 49,828,639.05 is: 74,742,958.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,351,999.55 : 107,027,999.33 = 49,828,639.05 : x
  2. Step 2: Convert to fraction form
    71,351,999.55/107,027,999.33 = 49,828,639.05/x
  3. Step 3: Cross multiply
    71,351,999.55x = 107,027,999.33 × 49,828,639.05
  4. Step 4: Simplify right side
    71,351,999.55x = 5,333,059,546,609,068
  5. Step 5: Solve for x
    x = 5,333,059,546,609,068/71,351,999.55
  6. Step 6: Final answer
    x = 74,742,958.58

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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.