Home / 221,470,480.40-332,205,720.60-169,814,415.20

Finding the Fourth Proportional to 221,470,480.40, 332,205,720.60 and 169,814,415.20

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Solution

The fourth proportional to 221,470,480.40, 332,205,720.60 and 169,814,415.20 is: 254,721,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,470,480.40 : 332,205,720.60 = 169,814,415.20 : x
  2. Step 2: Convert to fraction form
    221,470,480.40/332,205,720.60 = 169,814,415.20/x
  3. Step 3: Cross multiply
    221,470,480.40x = 332,205,720.60 × 169,814,415.20
  4. Step 4: Simplify right side
    221,470,480.40x = 56,413,320,169,783,592
  5. Step 5: Solve for x
    x = 56,413,320,169,783,592/221,470,480.40
  6. Step 6: Final answer
    x = 254,721,622.80

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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.