Home / 112,232,917.76-168,355,908.32-31,460,184.32

Finding the Fourth Proportional to 112,232,917.76, 168,355,908.32 and 31,460,184.32

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Solution

The fourth proportional to 112,232,917.76, 168,355,908.32 and 31,460,184.32 is: 47,192,107.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,232,917.76 : 168,355,908.32 = 31,460,184.32 : x
  2. Step 2: Convert to fraction form
    112,232,917.76/168,355,908.32 = 31,460,184.32/x
  3. Step 3: Cross multiply
    112,232,917.76x = 168,355,908.32 × 31,460,184.32
  4. Step 4: Simplify right side
    112,232,917.76x = 5,296,507,907,108,221
  5. Step 5: Solve for x
    x = 5,296,507,907,108,221/112,232,917.76
  6. Step 6: Final answer
    x = 47,192,107.39

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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.