Home / 91,303,751.82-125,985,721.74-55,521,938.64

Finding the Fourth Proportional to 91,303,751.82, 125,985,721.74 and 55,521,938.64

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Solution

The fourth proportional to 91,303,751.82, 125,985,721.74 and 55,521,938.64 is: 76,612,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,303,751.82 : 125,985,721.74 = 55,521,938.64 : x
  2. Step 2: Convert to fraction form
    91,303,751.82/125,985,721.74 = 55,521,938.64/x
  3. Step 3: Cross multiply
    91,303,751.82x = 125,985,721.74 × 55,521,938.64
  4. Step 4: Simplify right side
    91,303,751.82x = 6,994,971,511,964,394
  5. Step 5: Solve for x
    x = 6,994,971,511,964,394/91,303,751.82
  6. Step 6: Final answer
    x = 76,612,092.85

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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.