Home / 100,325,703.24-138,450,632.58-55,672,591.86

Finding the Fourth Proportional to 100,325,703.24, 138,450,632.58 and 55,672,591.86

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Solution

The fourth proportional to 100,325,703.24, 138,450,632.58 and 55,672,591.86 is: 76,828,821.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,325,703.24 : 138,450,632.58 = 55,672,591.86 : x
  2. Step 2: Convert to fraction form
    100,325,703.24/138,450,632.58 = 55,672,591.86/x
  3. Step 3: Cross multiply
    100,325,703.24x = 138,450,632.58 × 55,672,591.86
  4. Step 4: Simplify right side
    100,325,703.24x = 7,707,905,560,385,159
  5. Step 5: Solve for x
    x = 7,707,905,560,385,159/100,325,703.24
  6. Step 6: Final answer
    x = 76,828,821.64

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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.