Home / 632,999,556.72-949,413,141.72-166,621,923.36

Finding the Fourth Proportional to 632,999,556.72, 949,413,141.72 and 166,621,923.36

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Solution

The fourth proportional to 632,999,556.72, 949,413,141.72 and 166,621,923.36 is: 249,910,196.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,999,556.72 : 949,413,141.72 = 166,621,923.36 : x
  2. Step 2: Convert to fraction form
    632,999,556.72/949,413,141.72 = 166,621,923.36/x
  3. Step 3: Cross multiply
    632,999,556.72x = 949,413,141.72 × 166,621,923.36
  4. Step 4: Simplify right side
    632,999,556.72x = 158,193,043,736,646,688
  5. Step 5: Solve for x
    x = 158,193,043,736,646,688/632,999,556.72
  6. Step 6: Final answer
    x = 249,910,196.71

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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.