Home / 120,185,231.45-165,802,960.60-70,603,237.73

Finding the Fourth Proportional to 120,185,231.45, 165,802,960.60 and 70,603,237.73

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Solution

The fourth proportional to 120,185,231.45, 165,802,960.60 and 70,603,237.73 is: 97,401,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,185,231.45 : 165,802,960.60 = 70,603,237.73 : x
  2. Step 2: Convert to fraction form
    120,185,231.45/165,802,960.60 = 70,603,237.73/x
  3. Step 3: Cross multiply
    120,185,231.45x = 165,802,960.60 × 70,603,237.73
  4. Step 4: Simplify right side
    120,185,231.45x = 11,706,225,843,817,622
  5. Step 5: Solve for x
    x = 11,706,225,843,817,622/120,185,231.45
  6. Step 6: Final answer
    x = 97,401,533.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.