Home / 128,036,447.01-192,055,168.76-30,991,998.90

Finding the Fourth Proportional to 128,036,447.01, 192,055,168.76 and 30,991,998.90

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Solution

The fourth proportional to 128,036,447.01, 192,055,168.76 and 30,991,998.90 is: 46,488,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,036,447.01 : 192,055,168.76 = 30,991,998.90 : x
  2. Step 2: Convert to fraction form
    128,036,447.01/192,055,168.76 = 30,991,998.90/x
  3. Step 3: Cross multiply
    128,036,447.01x = 192,055,168.76 × 30,991,998.90
  4. Step 4: Simplify right side
    128,036,447.01x = 5,952,173,579,514,481
  5. Step 5: Solve for x
    x = 5,952,173,579,514,481/128,036,447.01
  6. Step 6: Final answer
    x = 46,488,118.96

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1.5x scale

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.