Home / 112,193,309.40-168,240,197.70-51,577,834.20

Finding the Fourth Proportional to 112,193,309.40, 168,240,197.70 and 51,577,834.20

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Solution

The fourth proportional to 112,193,309.40, 168,240,197.70 and 51,577,834.20 is: 77,343,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,193,309.40 : 168,240,197.70 = 51,577,834.20 : x
  2. Step 2: Convert to fraction form
    112,193,309.40/168,240,197.70 = 51,577,834.20/x
  3. Step 3: Cross multiply
    112,193,309.40x = 168,240,197.70 × 51,577,834.20
  4. Step 4: Simplify right side
    112,193,309.40x = 8,677,465,022,745,821
  5. Step 5: Solve for x
    x = 8,677,465,022,745,821/112,193,309.40
  6. Step 6: Final answer
    x = 77,343,872.55

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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.