Home / 91,289,906.75-125,993,592.54-57,802,498.35

Finding the Fourth Proportional to 91,289,906.75, 125,993,592.54 and 57,802,498.35

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Solution

The fourth proportional to 91,289,906.75, 125,993,592.54 and 57,802,498.35 is: 79,776,009.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,289,906.75 : 125,993,592.54 = 57,802,498.35 : x
  2. Step 2: Convert to fraction form
    91,289,906.75/125,993,592.54 = 57,802,498.35/x
  3. Step 3: Cross multiply
    91,289,906.75x = 125,993,592.54 × 57,802,498.35
  4. Step 4: Simplify right side
    91,289,906.75x = 7,282,744,424,903,923
  5. Step 5: Solve for x
    x = 7,282,744,424,903,923/91,289,906.75
  6. Step 6: Final answer
    x = 79,776,009.03

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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.