Home / 112,339,370.80-168,257,113.80-92,183,978.80

Finding the Fourth Proportional to 112,339,370.80, 168,257,113.80 and 92,183,978.80

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Solution

The fourth proportional to 112,339,370.80, 168,257,113.80 and 92,183,978.80 is: 138,069,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,339,370.80 : 168,257,113.80 = 92,183,978.80 : x
  2. Step 2: Convert to fraction form
    112,339,370.80/168,257,113.80 = 92,183,978.80/x
  3. Step 3: Cross multiply
    112,339,370.80x = 168,257,113.80 × 92,183,978.80
  4. Step 4: Simplify right side
    112,339,370.80x = 15,510,610,211,488,388
  5. Step 5: Solve for x
    x = 15,510,610,211,488,388/112,339,370.80
  6. Step 6: Final answer
    x = 138,069,228.10

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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.