Home / 149,095,736.96-205,749,660.36-87,226,556.72

Finding the Fourth Proportional to 149,095,736.96, 205,749,660.36 and 87,226,556.72

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Solution

The fourth proportional to 149,095,736.96, 205,749,660.36 and 87,226,556.72 is: 120,371,211.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,095,736.96 : 205,749,660.36 = 87,226,556.72 : x
  2. Step 2: Convert to fraction form
    149,095,736.96/205,749,660.36 = 87,226,556.72/x
  3. Step 3: Cross multiply
    149,095,736.96x = 205,749,660.36 × 87,226,556.72
  4. Step 4: Simplify right side
    149,095,736.96x = 17,946,834,419,512,276
  5. Step 5: Solve for x
    x = 17,946,834,419,512,276/149,095,736.96
  6. Step 6: Final answer
    x = 120,371,211.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.