Home / 300,127,800.87-450,214,406.30-92,887,172.28

Finding the Fourth Proportional to 300,127,800.87, 450,214,406.30 and 92,887,172.28

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Solution

The fourth proportional to 300,127,800.87, 450,214,406.30 and 92,887,172.28 is: 139,337,785.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,127,800.87 : 450,214,406.30 = 92,887,172.28 : x
  2. Step 2: Convert to fraction form
    300,127,800.87/450,214,406.30 = 92,887,172.28/x
  3. Step 3: Cross multiply
    300,127,800.87x = 450,214,406.30 × 92,887,172.28
  4. Step 4: Simplify right side
    300,127,800.87x = 41,819,143,120,461,584
  5. Step 5: Solve for x
    x = 41,819,143,120,461,584/300,127,800.87
  6. Step 6: Final answer
    x = 139,337,785.43

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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.