Home / 137,540,545,207.90-206,405,057,694.85-48,003,538,584.15

Finding the Fourth Proportional to 137,540,545,207.90, 206,405,057,694.85 and 48,003,538,584.15

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Solution

The fourth proportional to 137,540,545,207.90, 206,405,057,694.85 and 48,003,538,584.15 is: 72,038,198,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,540,545,207.90 : 206,405,057,694.85 = 48,003,538,584.15 : x
  2. Step 2: Convert to fraction form
    137,540,545,207.90/206,405,057,694.85 = 48,003,538,584.15/x
  3. Step 3: Cross multiply
    137,540,545,207.90x = 206,405,057,694.85 × 48,003,538,584.15
  4. Step 4: Simplify right side
    137,540,545,207.90x = 9,908,173,151,017,407,348,736
  5. Step 5: Solve for x
    x = 9,908,173,151,017,407,348,736/137,540,545,207.90
  6. Step 6: Final answer
    x = 72,038,198,889.21

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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.