Home / 289,672,538.08-399,650,275.44-164,211,283.36

Finding the Fourth Proportional to 289,672,538.08, 399,650,275.44 and 164,211,283.36

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Solution

The fourth proportional to 289,672,538.08, 399,650,275.44 and 164,211,283.36 is: 226,556,114.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,672,538.08 : 399,650,275.44 = 164,211,283.36 : x
  2. Step 2: Convert to fraction form
    289,672,538.08/399,650,275.44 = 164,211,283.36/x
  3. Step 3: Cross multiply
    289,672,538.08x = 399,650,275.44 × 164,211,283.36
  4. Step 4: Simplify right side
    289,672,538.08x = 65,627,084,625,179,896
  5. Step 5: Solve for x
    x = 65,627,084,625,179,896/289,672,538.08
  6. Step 6: Final answer
    x = 226,556,114.23

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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.