Home / 118,100,000.80-177,150,001.20-66,231,359.20

Finding the Fourth Proportional to 118,100,000.80, 177,150,001.20 and 66,231,359.20

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Solution

The fourth proportional to 118,100,000.80, 177,150,001.20 and 66,231,359.20 is: 99,347,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,100,000.80 : 177,150,001.20 = 66,231,359.20 : x
  2. Step 2: Convert to fraction form
    118,100,000.80/177,150,001.20 = 66,231,359.20/x
  3. Step 3: Cross multiply
    118,100,000.80x = 177,150,001.20 × 66,231,359.20
  4. Step 4: Simplify right side
    118,100,000.80x = 11,732,885,361,757,630
  5. Step 5: Solve for x
    x = 11,732,885,361,757,630/118,100,000.80
  6. Step 6: Final answer
    x = 99,347,038.80

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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.