Home / 84,090,601.40-126,135,902.10-82,956,860.60

Finding the Fourth Proportional to 84,090,601.40, 126,135,902.10 and 82,956,860.60

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Solution

The fourth proportional to 84,090,601.40, 126,135,902.10 and 82,956,860.60 is: 124,435,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,090,601.40 : 126,135,902.10 = 82,956,860.60 : x
  2. Step 2: Convert to fraction form
    84,090,601.40/126,135,902.10 = 82,956,860.60/x
  3. Step 3: Cross multiply
    84,090,601.40x = 126,135,902.10 × 82,956,860.60
  4. Step 4: Simplify right side
    84,090,601.40x = 10,463,838,447,164,946
  5. Step 5: Solve for x
    x = 10,463,838,447,164,946/84,090,601.40
  6. Step 6: Final answer
    x = 124,435,290.90

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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.