Home / 147,917,556.86-204,132,237.08-81,836,978.90

Finding the Fourth Proportional to 147,917,556.86, 204,132,237.08 and 81,836,978.90

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Solution

The fourth proportional to 147,917,556.86, 204,132,237.08 and 81,836,978.90 is: 112,938,355.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,917,556.86 : 204,132,237.08 = 81,836,978.90 : x
  2. Step 2: Convert to fraction form
    147,917,556.86/204,132,237.08 = 81,836,978.90/x
  3. Step 3: Cross multiply
    147,917,556.86x = 204,132,237.08 × 81,836,978.90
  4. Step 4: Simplify right side
    147,917,556.86x = 16,705,565,577,295,910
  5. Step 5: Solve for x
    x = 16,705,565,577,295,910/147,917,556.86
  6. Step 6: Final answer
    x = 112,938,355.21

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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.