Home / 112,978,076.80-169,467,115.20-32,188,547.20

Finding the Fourth Proportional to 112,978,076.80, 169,467,115.20 and 32,188,547.20

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Solution

The fourth proportional to 112,978,076.80, 169,467,115.20 and 32,188,547.20 is: 48,282,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,978,076.80 : 169,467,115.20 = 32,188,547.20 : x
  2. Step 2: Convert to fraction form
    112,978,076.80/169,467,115.20 = 32,188,547.20/x
  3. Step 3: Cross multiply
    112,978,076.80x = 169,467,115.20 × 32,188,547.20
  4. Step 4: Simplify right side
    112,978,076.80x = 5,454,900,236,463,037
  5. Step 5: Solve for x
    x = 5,454,900,236,463,037/112,978,076.80
  6. Step 6: Final answer
    x = 48,282,820.80

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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.