Home / 151,282,459.94-227,013,936.48-78,498,662.54

Finding the Fourth Proportional to 151,282,459.94, 227,013,936.48 and 78,498,662.54

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Solution

The fourth proportional to 151,282,459.94, 227,013,936.48 and 78,498,662.54 is: 117,794,821.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,282,459.94 : 227,013,936.48 = 78,498,662.54 : x
  2. Step 2: Convert to fraction form
    151,282,459.94/227,013,936.48 = 78,498,662.54/x
  3. Step 3: Cross multiply
    151,282,459.94x = 227,013,936.48 × 78,498,662.54
  4. Step 4: Simplify right side
    151,282,459.94x = 17,820,290,390,485,444
  5. Step 5: Solve for x
    x = 17,820,290,390,485,444/151,282,459.94
  6. Step 6: Final answer
    x = 117,794,821.67

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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.