Home / 83,776,545.20-125,664,817.80-57,948,512.60

Finding the Fourth Proportional to 83,776,545.20, 125,664,817.80 and 57,948,512.60

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Solution

The fourth proportional to 83,776,545.20, 125,664,817.80 and 57,948,512.60 is: 86,922,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,776,545.20 : 125,664,817.80 = 57,948,512.60 : x
  2. Step 2: Convert to fraction form
    83,776,545.20/125,664,817.80 = 57,948,512.60/x
  3. Step 3: Cross multiply
    83,776,545.20x = 125,664,817.80 × 57,948,512.60
  4. Step 4: Simplify right side
    83,776,545.20x = 7,282,089,277,660,004
  5. Step 5: Solve for x
    x = 7,282,089,277,660,004/83,776,545.20
  6. Step 6: Final answer
    x = 86,922,768.90

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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.