Home / 100,100,840.60-150,151,260.90-42,594,987.80

Finding the Fourth Proportional to 100,100,840.60, 150,151,260.90 and 42,594,987.80

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Solution

The fourth proportional to 100,100,840.60, 150,151,260.90 and 42,594,987.80 is: 63,892,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,100,840.60 : 150,151,260.90 = 42,594,987.80 : x
  2. Step 2: Convert to fraction form
    100,100,840.60/150,151,260.90 = 42,594,987.80/x
  3. Step 3: Cross multiply
    100,100,840.60x = 150,151,260.90 × 42,594,987.80
  4. Step 4: Simplify right side
    100,100,840.60x = 6,395,691,126,190,117
  5. Step 5: Solve for x
    x = 6,395,691,126,190,117/100,100,840.60
  6. Step 6: Final answer
    x = 63,892,481.70

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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.