Home / 135,928,998.40-203,893,497.60-40,190,886.40

Finding the Fourth Proportional to 135,928,998.40, 203,893,497.60 and 40,190,886.40

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Solution

The fourth proportional to 135,928,998.40, 203,893,497.60 and 40,190,886.40 is: 60,286,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,928,998.40 : 203,893,497.60 = 40,190,886.40 : x
  2. Step 2: Convert to fraction form
    135,928,998.40/203,893,497.60 = 40,190,886.40/x
  3. Step 3: Cross multiply
    135,928,998.40x = 203,893,497.60 × 40,190,886.40
  4. Step 4: Simplify right side
    135,928,998.40x = 8,194,660,399,740,272
  5. Step 5: Solve for x
    x = 8,194,660,399,740,272/135,928,998.40
  6. Step 6: Final answer
    x = 60,286,329.60

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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.