Home / 268,938,022.86-371,305,830.87-219,496,332.06

Finding the Fourth Proportional to 268,938,022.86, 371,305,830.87 and 219,496,332.06

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Solution

The fourth proportional to 268,938,022.86, 371,305,830.87 and 219,496,332.06 is: 303,044,794.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,938,022.86 : 371,305,830.87 = 219,496,332.06 : x
  2. Step 2: Convert to fraction form
    268,938,022.86/371,305,830.87 = 219,496,332.06/x
  3. Step 3: Cross multiply
    268,938,022.86x = 371,305,830.87 × 219,496,332.06
  4. Step 4: Simplify right side
    268,938,022.86x = 81,500,267,948,455,728
  5. Step 5: Solve for x
    x = 81,500,267,948,455,728/268,938,022.86
  6. Step 6: Final answer
    x = 303,044,794.79

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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.