Home / 432,395,150.31-648,610,662.78-125,687,263.14

Finding the Fourth Proportional to 432,395,150.31, 648,610,662.78 and 125,687,263.14

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Solution

The fourth proportional to 432,395,150.31, 648,610,662.78 and 125,687,263.14 is: 188,536,108.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,395,150.31 : 648,610,662.78 = 125,687,263.14 : x
  2. Step 2: Convert to fraction form
    432,395,150.31/648,610,662.78 = 125,687,263.14/x
  3. Step 3: Cross multiply
    432,395,150.31x = 648,610,662.78 × 125,687,263.14
  4. Step 4: Simplify right side
    432,395,150.31x = 81,522,099,048,239,664
  5. Step 5: Solve for x
    x = 81,522,099,048,239,664/432,395,150.31
  6. Step 6: Final answer
    x = 188,536,108.67

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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.