Home / 112,181,613.92-168,282,054.24-39,392,137.28

Finding the Fourth Proportional to 112,181,613.92, 168,282,054.24 and 39,392,137.28

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Solution

The fourth proportional to 112,181,613.92, 168,282,054.24 and 39,392,137.28 is: 59,091,588.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,181,613.92 : 168,282,054.24 = 39,392,137.28 : x
  2. Step 2: Convert to fraction form
    112,181,613.92/168,282,054.24 = 39,392,137.28/x
  3. Step 3: Cross multiply
    112,181,613.92x = 168,282,054.24 × 39,392,137.28
  4. Step 4: Simplify right side
    112,181,613.92x = 6,628,989,782,382,487
  5. Step 5: Solve for x
    x = 6,628,989,782,382,487/112,181,613.92
  6. Step 6: Final answer
    x = 59,091,588.64

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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.