Home / 112,131,904.80-168,197,857.20-35,478,429.60

Finding the Fourth Proportional to 112,131,904.80, 168,197,857.20 and 35,478,429.60

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Solution

The fourth proportional to 112,131,904.80, 168,197,857.20 and 35,478,429.60 is: 53,217,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,131,904.80 : 168,197,857.20 = 35,478,429.60 : x
  2. Step 2: Convert to fraction form
    112,131,904.80/168,197,857.20 = 35,478,429.60/x
  3. Step 3: Cross multiply
    112,131,904.80x = 168,197,857.20 × 35,478,429.60
  4. Step 4: Simplify right side
    112,131,904.80x = 5,967,395,835,541,053
  5. Step 5: Solve for x
    x = 5,967,395,835,541,053/112,131,904.80
  6. Step 6: Final answer
    x = 53,217,644.40

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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.