Home / 112,101,193.60-168,151,790.40-31,322,161.60

Finding the Fourth Proportional to 112,101,193.60, 168,151,790.40 and 31,322,161.60

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Solution

The fourth proportional to 112,101,193.60, 168,151,790.40 and 31,322,161.60 is: 46,983,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,101,193.60 : 168,151,790.40 = 31,322,161.60 : x
  2. Step 2: Convert to fraction form
    112,101,193.60/168,151,790.40 = 31,322,161.60/x
  3. Step 3: Cross multiply
    112,101,193.60x = 168,151,790.40 × 31,322,161.60
  4. Step 4: Simplify right side
    112,101,193.60x = 5,266,877,552,238,129
  5. Step 5: Solve for x
    x = 5,266,877,552,238,129/112,101,193.60
  6. Step 6: Final answer
    x = 46,983,242.40

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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.