Home / 147,424,556.80-203,444,499.84-81,345,652.48

Finding the Fourth Proportional to 147,424,556.80, 203,444,499.84 and 81,345,652.48

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Solution

The fourth proportional to 147,424,556.80, 203,444,499.84 and 81,345,652.48 is: 112,256,234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,424,556.80 : 203,444,499.84 = 81,345,652.48 : x
  2. Step 2: Convert to fraction form
    147,424,556.80/203,444,499.84 = 81,345,652.48/x
  3. Step 3: Cross multiply
    147,424,556.80x = 203,444,499.84 × 81,345,652.48
  4. Step 4: Simplify right side
    147,424,556.80x = 16,549,325,582,952,056
  5. Step 5: Solve for x
    x = 16,549,325,582,952,056/147,424,556.80
  6. Step 6: Final answer
    x = 112,256,234.25

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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.