Home / 262,167,781.15-392,922,840.07-139,042,201.87

Finding the Fourth Proportional to 262,167,781.15, 392,922,840.07 and 139,042,201.87

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Solution

The fourth proportional to 262,167,781.15, 392,922,840.07 and 139,042,201.87 is: 208,388,905.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,167,781.15 : 392,922,840.07 = 139,042,201.87 : x
  2. Step 2: Convert to fraction form
    262,167,781.15/392,922,840.07 = 139,042,201.87/x
  3. Step 3: Cross multiply
    262,167,781.15x = 392,922,840.07 × 139,042,201.87
  4. Step 4: Simplify right side
    262,167,781.15x = 54,632,856,848,346,664
  5. Step 5: Solve for x
    x = 54,632,856,848,346,664/262,167,781.15
  6. Step 6: Final answer
    x = 208,388,905.03

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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.