Home / 76,601,502.62-105,742,691.44-51,498,170.94

Finding the Fourth Proportional to 76,601,502.62, 105,742,691.44 and 51,498,170.94

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Solution

The fourth proportional to 76,601,502.62, 105,742,691.44 and 51,498,170.94 is: 71,089,404.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,601,502.62 : 105,742,691.44 = 51,498,170.94 : x
  2. Step 2: Convert to fraction form
    76,601,502.62/105,742,691.44 = 51,498,170.94/x
  3. Step 3: Cross multiply
    76,601,502.62x = 105,742,691.44 × 51,498,170.94
  4. Step 4: Simplify right side
    76,601,502.62x = 5,445,555,199,304,049
  5. Step 5: Solve for x
    x = 5,445,555,199,304,049/76,601,502.62
  6. Step 6: Final answer
    x = 71,089,404.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.