Home / 86,294,419.20-119,085,493.68-47,136,180.96

Finding the Fourth Proportional to 86,294,419.20, 119,085,493.68 and 47,136,180.96

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Solution

The fourth proportional to 86,294,419.20, 119,085,493.68 and 47,136,180.96 is: 65,047,490.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,294,419.20 : 119,085,493.68 = 47,136,180.96 : x
  2. Step 2: Convert to fraction form
    86,294,419.20/119,085,493.68 = 47,136,180.96/x
  3. Step 3: Cross multiply
    86,294,419.20x = 119,085,493.68 × 47,136,180.96
  4. Step 4: Simplify right side
    86,294,419.20x = 5,613,235,379,811,417
  5. Step 5: Solve for x
    x = 5,613,235,379,811,417/86,294,419.20
  6. Step 6: Final answer
    x = 65,047,490.11

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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.