Home / 112,336,938.80-168,505,408.20-99,582,354.80

Finding the Fourth Proportional to 112,336,938.80, 168,505,408.20 and 99,582,354.80

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Solution

The fourth proportional to 112,336,938.80, 168,505,408.20 and 99,582,354.80 is: 149,373,532.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,336,938.80 : 168,505,408.20 = 99,582,354.80 : x
  2. Step 2: Convert to fraction form
    112,336,938.80/168,505,408.20 = 99,582,354.80/x
  3. Step 3: Cross multiply
    112,336,938.80x = 168,505,408.20 × 99,582,354.80
  4. Step 4: Simplify right side
    112,336,938.80x = 16,780,165,345,091,228
  5. Step 5: Solve for x
    x = 16,780,165,345,091,228/112,336,938.80
  6. Step 6: Final answer
    x = 149,373,532.20

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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.