Home / 111,456,000.40-167,184,000.60-84,246,221.20

Finding the Fourth Proportional to 111,456,000.40, 167,184,000.60 and 84,246,221.20

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Solution

The fourth proportional to 111,456,000.40, 167,184,000.60 and 84,246,221.20 is: 126,369,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,456,000.40 : 167,184,000.60 = 84,246,221.20 : x
  2. Step 2: Convert to fraction form
    111,456,000.40/167,184,000.60 = 84,246,221.20/x
  3. Step 3: Cross multiply
    111,456,000.40x = 167,184,000.60 × 84,246,221.20
  4. Step 4: Simplify right side
    111,456,000.40x = 14,084,620,295,648,532
  5. Step 5: Solve for x
    x = 14,084,620,295,648,532/111,456,000.40
  6. Step 6: Final answer
    x = 126,369,331.80

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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.