Home / 112,649,488-168,946,921.22-30,768,749.89

Finding the Fourth Proportional to 112,649,488, 168,946,921.22 and 30,768,749.89

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Solution

The fourth proportional to 112,649,488, 168,946,921.22 and 30,768,749.89 is: 46,145,665.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,649,488 : 168,946,921.22 = 30,768,749.89 : x
  2. Step 2: Convert to fraction form
    112,649,488/168,946,921.22 = 30,768,749.89/x
  3. Step 3: Cross multiply
    112,649,488x = 168,946,921.22 × 30,768,749.89
  4. Step 4: Simplify right side
    112,649,488x = 5,198,285,563,703,714
  5. Step 5: Solve for x
    x = 5,198,285,563,703,714/112,649,488
  6. Step 6: Final answer
    x = 46,145,665.25

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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.