Home / 126,029,074.20-189,043,611.30-49,326,610.20

Finding the Fourth Proportional to 126,029,074.20, 189,043,611.30 and 49,326,610.20

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Solution

The fourth proportional to 126,029,074.20, 189,043,611.30 and 49,326,610.20 is: 73,989,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,029,074.20 : 189,043,611.30 = 49,326,610.20 : x
  2. Step 2: Convert to fraction form
    126,029,074.20/189,043,611.30 = 49,326,610.20/x
  3. Step 3: Cross multiply
    126,029,074.20x = 189,043,611.30 × 49,326,610.20
  4. Step 4: Simplify right side
    126,029,074.20x = 9,324,880,525,395,416
  5. Step 5: Solve for x
    x = 9,324,880,525,395,416/126,029,074.20
  6. Step 6: Final answer
    x = 73,989,915.30

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Double scale
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Similar ratio
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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.