Home / 324,808,999.14-487,242,129.24-91,641,753.57

Finding the Fourth Proportional to 324,808,999.14, 487,242,129.24 and 91,641,753.57

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Solution

The fourth proportional to 324,808,999.14, 487,242,129.24 and 91,641,753.57 is: 137,470,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,808,999.14 : 487,242,129.24 = 91,641,753.57 : x
  2. Step 2: Convert to fraction form
    324,808,999.14/487,242,129.24 = 91,641,753.57/x
  3. Step 3: Cross multiply
    324,808,999.14x = 487,242,129.24 × 91,641,753.57
  4. Step 4: Simplify right side
    324,808,999.14x = 44,651,723,136,734,168
  5. Step 5: Solve for x
    x = 44,651,723,136,734,168/324,808,999.14
  6. Step 6: Final answer
    x = 137,470,708.19

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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.