Home / 307,971,852-461,979,033.21-89,624,002.74

Finding the Fourth Proportional to 307,971,852, 461,979,033.21 and 89,624,002.74

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Solution

The fourth proportional to 307,971,852, 461,979,033.21 and 89,624,002.74 is: 134,442,189.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,971,852 : 461,979,033.21 = 89,624,002.74 : x
  2. Step 2: Convert to fraction form
    307,971,852/461,979,033.21 = 89,624,002.74/x
  3. Step 3: Cross multiply
    307,971,852x = 461,979,033.21 × 89,624,002.74
  4. Step 4: Simplify right side
    307,971,852x = 41,404,410,138,235,584
  5. Step 5: Solve for x
    x = 41,404,410,138,235,584/307,971,852
  6. Step 6: Final answer
    x = 134,442,189.67

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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.