Home / 86,294,556.20-119,085,682.50-47,136,317.96

Finding the Fourth Proportional to 86,294,556.20, 119,085,682.50 and 47,136,317.96

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Solution

The fourth proportional to 86,294,556.20, 119,085,682.50 and 47,136,317.96 is: 65,047,679.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,294,556.20 : 119,085,682.50 = 47,136,317.96 : x
  2. Step 2: Convert to fraction form
    86,294,556.20/119,085,682.50 = 47,136,317.96/x
  3. Step 3: Cross multiply
    86,294,556.20x = 119,085,682.50 × 47,136,317.96
  4. Step 4: Simplify right side
    86,294,556.20x = 5,613,260,594,803,608
  5. Step 5: Solve for x
    x = 5,613,260,594,803,608/86,294,556.20
  6. Step 6: Final answer
    x = 65,047,679.04

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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.