Home / 152,997,050.75-229,563,187.22-80,196,424.38

Finding the Fourth Proportional to 152,997,050.75, 229,563,187.22 and 80,196,424.38

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Solution

The fourth proportional to 152,997,050.75, 229,563,187.22 and 80,196,424.38 is: 120,330,076.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,997,050.75 : 229,563,187.22 = 80,196,424.38 : x
  2. Step 2: Convert to fraction form
    152,997,050.75/229,563,187.22 = 80,196,424.38/x
  3. Step 3: Cross multiply
    152,997,050.75x = 229,563,187.22 × 80,196,424.38
  4. Step 4: Simplify right side
    152,997,050.75x = 18,410,146,784,521,004
  5. Step 5: Solve for x
    x = 18,410,146,784,521,004/152,997,050.75
  6. Step 6: Final answer
    x = 120,330,076.27

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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.