Home / 170,423,998.40-255,635,997.60-102,231,588.80

Finding the Fourth Proportional to 170,423,998.40, 255,635,997.60 and 102,231,588.80

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Solution

The fourth proportional to 170,423,998.40, 255,635,997.60 and 102,231,588.80 is: 153,347,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,423,998.40 : 255,635,997.60 = 102,231,588.80 : x
  2. Step 2: Convert to fraction form
    170,423,998.40/255,635,997.60 = 102,231,588.80/x
  3. Step 3: Cross multiply
    170,423,998.40x = 255,635,997.60 × 102,231,588.80
  4. Step 4: Simplify right side
    170,423,998.40x = 26,134,074,189,120,984
  5. Step 5: Solve for x
    x = 26,134,074,189,120,984/170,423,998.40
  6. Step 6: Final answer
    x = 153,347,383.20

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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.