Home / 168,208,845.40-251,915,136.90-114,063,002.20

Finding the Fourth Proportional to 168,208,845.40, 251,915,136.90 and 114,063,002.20

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Solution

The fourth proportional to 168,208,845.40, 251,915,136.90 and 114,063,002.20 is: 170,824,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,208,845.40 : 251,915,136.90 = 114,063,002.20 : x
  2. Step 2: Convert to fraction form
    168,208,845.40/251,915,136.90 = 114,063,002.20/x
  3. Step 3: Cross multiply
    168,208,845.40x = 251,915,136.90 × 114,063,002.20
  4. Step 4: Simplify right side
    168,208,845.40x = 28,734,196,814,438,004
  5. Step 5: Solve for x
    x = 28,734,196,814,438,004/168,208,845.40
  6. Step 6: Final answer
    x = 170,824,529.15

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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.