Home / 158,271,213.30-218,426,391.21-99,584,183.67

Finding the Fourth Proportional to 158,271,213.30, 218,426,391.21 and 99,584,183.67

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Solution

The fourth proportional to 158,271,213.30, 218,426,391.21 and 99,584,183.67 is: 137,433,797.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,271,213.30 : 218,426,391.21 = 99,584,183.67 : x
  2. Step 2: Convert to fraction form
    158,271,213.30/218,426,391.21 = 99,584,183.67/x
  3. Step 3: Cross multiply
    158,271,213.30x = 218,426,391.21 × 99,584,183.67
  4. Step 4: Simplify right side
    158,271,213.30x = 21,751,813,860,631,916
  5. Step 5: Solve for x
    x = 21,751,813,860,631,916/158,271,213.30
  6. Step 6: Final answer
    x = 137,433,797.39

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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.