Home / 305,236,322.94-458,005,922.07-120,999,904.86

Finding the Fourth Proportional to 305,236,322.94, 458,005,922.07 and 120,999,904.86

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Solution

The fourth proportional to 305,236,322.94, 458,005,922.07 and 120,999,904.86 is: 181,559,889.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,236,322.94 : 458,005,922.07 = 120,999,904.86 : x
  2. Step 2: Convert to fraction form
    305,236,322.94/458,005,922.07 = 120,999,904.86/x
  3. Step 3: Cross multiply
    305,236,322.94x = 458,005,922.07 × 120,999,904.86
  4. Step 4: Simplify right side
    305,236,322.94x = 55,418,672,995,786,576
  5. Step 5: Solve for x
    x = 55,418,672,995,786,576/305,236,322.94
  6. Step 6: Final answer
    x = 181,559,889.28

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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.