Home / 112,353,900.20-168,530,850.30-31,574,868.20

Finding the Fourth Proportional to 112,353,900.20, 168,530,850.30 and 31,574,868.20

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Solution

The fourth proportional to 112,353,900.20, 168,530,850.30 and 31,574,868.20 is: 47,362,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,353,900.20 : 168,530,850.30 = 31,574,868.20 : x
  2. Step 2: Convert to fraction form
    112,353,900.20/168,530,850.30 = 31,574,868.20/x
  3. Step 3: Cross multiply
    112,353,900.20x = 168,530,850.30 × 31,574,868.20
  4. Step 4: Simplify right side
    112,353,900.20x = 5,321,339,385,856,431
  5. Step 5: Solve for x
    x = 5,321,339,385,856,431/112,353,900.20
  6. Step 6: Final answer
    x = 47,362,302.30

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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.