Home / 112,201,161.83-168,405,198.32-56,907,803.07

Finding the Fourth Proportional to 112,201,161.83, 168,405,198.32 and 56,907,803.07

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Solution

The fourth proportional to 112,201,161.83, 168,405,198.32 and 56,907,803.07 is: 85,414,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,201,161.83 : 168,405,198.32 = 56,907,803.07 : x
  2. Step 2: Convert to fraction form
    112,201,161.83/168,405,198.32 = 56,907,803.07/x
  3. Step 3: Cross multiply
    112,201,161.83x = 168,405,198.32 × 56,907,803.07
  4. Step 4: Simplify right side
    112,201,161.83x = 9,583,569,862,101,124
  5. Step 5: Solve for x
    x = 9,583,569,862,101,124/112,201,161.83
  6. Step 6: Final answer
    x = 85,414,176.70

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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.