Home / 268,938,018.60-371,305,825.01-219,496,327.81

Finding the Fourth Proportional to 268,938,018.60, 371,305,825.01 and 219,496,327.81

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Solution

The fourth proportional to 268,938,018.60, 371,305,825.01 and 219,496,327.81 is: 303,044,788.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,938,018.60 : 371,305,825.01 = 219,496,327.81 : x
  2. Step 2: Convert to fraction form
    268,938,018.60/371,305,825.01 = 219,496,327.81/x
  3. Step 3: Cross multiply
    268,938,018.60x = 371,305,825.01 × 219,496,327.81
  4. Step 4: Simplify right side
    268,938,018.60x = 81,500,265,084,157,456
  5. Step 5: Solve for x
    x = 81,500,265,084,157,456/268,938,018.60
  6. Step 6: Final answer
    x = 303,044,788.94

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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.