Home / 83,776,544.70-125,664,817.05-57,948,512.10

Finding the Fourth Proportional to 83,776,544.70, 125,664,817.05 and 57,948,512.10

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Solution

The fourth proportional to 83,776,544.70, 125,664,817.05 and 57,948,512.10 is: 86,922,768.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,776,544.70 : 125,664,817.05 = 57,948,512.10 : x
  2. Step 2: Convert to fraction form
    83,776,544.70/125,664,817.05 = 57,948,512.10/x
  3. Step 3: Cross multiply
    83,776,544.70x = 125,664,817.05 × 57,948,512.10
  4. Step 4: Simplify right side
    83,776,544.70x = 7,282,089,171,366,211
  5. Step 5: Solve for x
    x = 7,282,089,171,366,211/83,776,544.70
  6. Step 6: Final answer
    x = 86,922,768.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.