Home / 128,115,108.20-192,153,999.90-37,229,220.20

Finding the Fourth Proportional to 128,115,108.20, 192,153,999.90 and 37,229,220.20

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Solution

The fourth proportional to 128,115,108.20, 192,153,999.90 and 37,229,220.20 is: 55,838,407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,115,108.20 : 192,153,999.90 = 37,229,220.20 : x
  2. Step 2: Convert to fraction form
    128,115,108.20/192,153,999.90 = 37,229,220.20/x
  3. Step 3: Cross multiply
    128,115,108.20x = 192,153,999.90 × 37,229,220.20
  4. Step 4: Simplify right side
    128,115,108.20x = 7,153,743,574,587,879
  5. Step 5: Solve for x
    x = 7,153,743,574,587,879/128,115,108.20
  6. Step 6: Final answer
    x = 55,838,407.16

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1.5x scale

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.