Home / 300,127,800.81-450,214,406.20-92,887,172.22

Finding the Fourth Proportional to 300,127,800.81, 450,214,406.20 and 92,887,172.22

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Solution

The fourth proportional to 300,127,800.81, 450,214,406.20 and 92,887,172.22 is: 139,337,785.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,127,800.81 : 450,214,406.20 = 92,887,172.22 : x
  2. Step 2: Convert to fraction form
    300,127,800.81/450,214,406.20 = 92,887,172.22/x
  3. Step 3: Cross multiply
    300,127,800.81x = 450,214,406.20 × 92,887,172.22
  4. Step 4: Simplify right side
    300,127,800.81x = 41,819,143,083,731,120
  5. Step 5: Solve for x
    x = 41,819,143,083,731,120/300,127,800.81
  6. Step 6: Final answer
    x = 139,337,785.34

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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.