Home / 112,339,531.80-168,257,355.30-92,184,139.80

Finding the Fourth Proportional to 112,339,531.80, 168,257,355.30 and 92,184,139.80

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Solution

The fourth proportional to 112,339,531.80, 168,257,355.30 and 92,184,139.80 is: 138,069,469.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,339,531.80 : 168,257,355.30 = 92,184,139.80 : x
  2. Step 2: Convert to fraction form
    112,339,531.80/168,257,355.30 = 92,184,139.80/x
  3. Step 3: Cross multiply
    112,339,531.80x = 168,257,355.30 × 92,184,139.80
  4. Step 4: Simplify right side
    112,339,531.80x = 15,510,659,563,353,472
  5. Step 5: Solve for x
    x = 15,510,659,563,353,472/112,339,531.80
  6. Step 6: Final answer
    x = 138,069,469.53

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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.