Home / 150,160,900.08-225,326,556.84-81,072,783.60

Finding the Fourth Proportional to 150,160,900.08, 225,326,556.84 and 81,072,783.60

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Solution

The fourth proportional to 150,160,900.08, 225,326,556.84 and 81,072,783.60 is: 121,655,179.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,160,900.08 : 225,326,556.84 = 81,072,783.60 : x
  2. Step 2: Convert to fraction form
    150,160,900.08/225,326,556.84 = 81,072,783.60/x
  3. Step 3: Cross multiply
    150,160,900.08x = 225,326,556.84 × 81,072,783.60
  4. Step 4: Simplify right side
    150,160,900.08x = 18,267,851,182,022,420
  5. Step 5: Solve for x
    x = 18,267,851,182,022,420/150,160,900.08
  6. Step 6: Final answer
    x = 121,655,179.03

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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.