Home / 112,100,400.60-168,150,600.90-51,516,126.60

Finding the Fourth Proportional to 112,100,400.60, 168,150,600.90 and 51,516,126.60

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Solution

The fourth proportional to 112,100,400.60, 168,150,600.90 and 51,516,126.60 is: 77,274,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,100,400.60 : 168,150,600.90 = 51,516,126.60 : x
  2. Step 2: Convert to fraction form
    112,100,400.60/168,150,600.90 = 51,516,126.60/x
  3. Step 3: Cross multiply
    112,100,400.60x = 168,150,600.90 × 51,516,126.60
  4. Step 4: Simplify right side
    112,100,400.60x = 8,662,467,643,830,474
  5. Step 5: Solve for x
    x = 8,662,467,643,830,474/112,100,400.60
  6. Step 6: Final answer
    x = 77,274,189.90

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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.