Home / 372,148,516.54-558,222,738.08-99,512,197.66

Finding the Fourth Proportional to 372,148,516.54, 558,222,738.08 and 99,512,197.66

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Solution

The fourth proportional to 372,148,516.54, 558,222,738.08 and 99,512,197.66 is: 149,268,286.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,148,516.54 : 558,222,738.08 = 99,512,197.66 : x
  2. Step 2: Convert to fraction form
    372,148,516.54/558,222,738.08 = 99,512,197.66/x
  3. Step 3: Cross multiply
    372,148,516.54x = 558,222,738.08 × 99,512,197.66
  4. Step 4: Simplify right side
    372,148,516.54x = 55,549,971,447,581,032
  5. Step 5: Solve for x
    x = 55,549,971,447,581,032/372,148,516.54
  6. Step 6: Final answer
    x = 149,268,286.66

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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.