Home / 214,605,220.80-321,907,831.20-170,767,243.20

Finding the Fourth Proportional to 214,605,220.80, 321,907,831.20 and 170,767,243.20

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Solution

The fourth proportional to 214,605,220.80, 321,907,831.20 and 170,767,243.20 is: 256,150,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,605,220.80 : 321,907,831.20 = 170,767,243.20 : x
  2. Step 2: Convert to fraction form
    214,605,220.80/321,907,831.20 = 170,767,243.20/x
  3. Step 3: Cross multiply
    214,605,220.80x = 321,907,831.20 × 170,767,243.20
  4. Step 4: Simplify right side
    214,605,220.80x = 54,971,312,898,514,944
  5. Step 5: Solve for x
    x = 54,971,312,898,514,944/214,605,220.80
  6. Step 6: Final answer
    x = 256,150,864.80

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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.