Home / 112,100,836.60-168,151,254.90-30,219,556.60

Finding the Fourth Proportional to 112,100,836.60, 168,151,254.90 and 30,219,556.60

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Solution

The fourth proportional to 112,100,836.60, 168,151,254.90 and 30,219,556.60 is: 45,329,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,100,836.60 : 168,151,254.90 = 30,219,556.60 : x
  2. Step 2: Convert to fraction form
    112,100,836.60/168,151,254.90 = 30,219,556.60/x
  3. Step 3: Cross multiply
    112,100,836.60x = 168,151,254.90 × 30,219,556.60
  4. Step 4: Simplify right side
    112,100,836.60x = 5,081,456,364,811,578
  5. Step 5: Solve for x
    x = 5,081,456,364,811,578/112,100,836.60
  6. Step 6: Final answer
    x = 45,329,334.90

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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.