Home / 98,499,106.96-135,942,270.24-56,682,312.64

Finding the Fourth Proportional to 98,499,106.96, 135,942,270.24 and 56,682,312.64

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Solution

The fourth proportional to 98,499,106.96, 135,942,270.24 and 56,682,312.64 is: 78,229,361.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,499,106.96 : 135,942,270.24 = 56,682,312.64 : x
  2. Step 2: Convert to fraction form
    98,499,106.96/135,942,270.24 = 56,682,312.64/x
  3. Step 3: Cross multiply
    98,499,106.96x = 135,942,270.24 × 56,682,312.64
  4. Step 4: Simplify right side
    98,499,106.96x = 7,705,522,262,735,048
  5. Step 5: Solve for x
    x = 7,705,522,262,735,048/98,499,106.96
  6. Step 6: Final answer
    x = 78,229,361.67

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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.