Home / 91,303,755.81-125,985,727.26-55,521,942.63

Finding the Fourth Proportional to 91,303,755.81, 125,985,727.26 and 55,521,942.63

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Solution

The fourth proportional to 91,303,755.81, 125,985,727.26 and 55,521,942.63 is: 76,612,098.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,303,755.81 : 125,985,727.26 = 55,521,942.63 : x
  2. Step 2: Convert to fraction form
    91,303,755.81/125,985,727.26 = 55,521,942.63/x
  3. Step 3: Cross multiply
    91,303,755.81x = 125,985,727.26 × 55,521,942.63
  4. Step 4: Simplify right side
    91,303,755.81x = 6,994,972,321,128,548
  5. Step 5: Solve for x
    x = 6,994,972,321,128,548/91,303,755.81
  6. Step 6: Final answer
    x = 76,612,098.36

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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.