Home / 220,151,762.80-330,227,644.20-90,692,735.20

Finding the Fourth Proportional to 220,151,762.80, 330,227,644.20 and 90,692,735.20

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Solution

The fourth proportional to 220,151,762.80, 330,227,644.20 and 90,692,735.20 is: 136,039,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,151,762.80 : 330,227,644.20 = 90,692,735.20 : x
  2. Step 2: Convert to fraction form
    220,151,762.80/330,227,644.20 = 90,692,735.20/x
  3. Step 3: Cross multiply
    220,151,762.80x = 330,227,644.20 × 90,692,735.20
  4. Step 4: Simplify right side
    220,151,762.80x = 29,949,248,291,150,416
  5. Step 5: Solve for x
    x = 29,949,248,291,150,416/220,151,762.80
  6. Step 6: Final answer
    x = 136,039,102.80

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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.