Home / 147,854,107.20-221,781,160.80-109,590,355.20

Finding the Fourth Proportional to 147,854,107.20, 221,781,160.80 and 109,590,355.20

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Solution

The fourth proportional to 147,854,107.20, 221,781,160.80 and 109,590,355.20 is: 164,385,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,854,107.20 : 221,781,160.80 = 109,590,355.20 : x
  2. Step 2: Convert to fraction form
    147,854,107.20/221,781,160.80 = 109,590,355.20/x
  3. Step 3: Cross multiply
    147,854,107.20x = 221,781,160.80 × 109,590,355.20
  4. Step 4: Simplify right side
    147,854,107.20x = 24,305,076,188,740,320
  5. Step 5: Solve for x
    x = 24,305,076,188,740,320/147,854,107.20
  6. Step 6: Final answer
    x = 164,385,532.80

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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.