Home / 300,127,800.37-450,214,405.55-92,887,171.78

Finding the Fourth Proportional to 300,127,800.37, 450,214,405.55 and 92,887,171.78

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Solution

The fourth proportional to 300,127,800.37, 450,214,405.55 and 92,887,171.78 is: 139,337,784.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,127,800.37 : 450,214,405.55 = 92,887,171.78 : x
  2. Step 2: Convert to fraction form
    300,127,800.37/450,214,405.55 = 92,887,171.78/x
  3. Step 3: Cross multiply
    300,127,800.37x = 450,214,405.55 × 92,887,171.78
  4. Step 4: Simplify right side
    300,127,800.37x = 41,819,142,825,582,248
  5. Step 5: Solve for x
    x = 41,819,142,825,582,248/300,127,800.37
  6. Step 6: Final answer
    x = 139,337,784.68

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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.