Home / 137,834,099.80-206,626,011.39-68,768,027.44

Finding the Fourth Proportional to 137,834,099.80, 206,626,011.39 and 68,768,027.44

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Solution

The fourth proportional to 137,834,099.80, 206,626,011.39 and 68,768,027.44 is: 103,089,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,834,099.80 : 206,626,011.39 = 68,768,027.44 : x
  2. Step 2: Convert to fraction form
    137,834,099.80/206,626,011.39 = 68,768,027.44/x
  3. Step 3: Cross multiply
    137,834,099.80x = 206,626,011.39 × 68,768,027.44
  4. Step 4: Simplify right side
    137,834,099.80x = 14,209,263,221,085,272
  5. Step 5: Solve for x
    x = 14,209,263,221,085,272/137,834,099.80
  6. Step 6: Final answer
    x = 103,089,607.30

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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.