Home / 84,270,148.50-126,405,222.93-20,444,740.50

Finding the Fourth Proportional to 84,270,148.50, 126,405,222.93 and 20,444,740.50

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Solution

The fourth proportional to 84,270,148.50, 126,405,222.93 and 20,444,740.50 is: 30,667,110.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,270,148.50 : 126,405,222.93 = 20,444,740.50 : x
  2. Step 2: Convert to fraction form
    84,270,148.50/126,405,222.93 = 20,444,740.50/x
  3. Step 3: Cross multiply
    84,270,148.50x = 126,405,222.93 × 20,444,740.50
  4. Step 4: Simplify right side
    84,270,148.50x = 2,584,321,980,648,500
  5. Step 5: Solve for x
    x = 2,584,321,980,648,500/84,270,148.50
  6. Step 6: Final answer
    x = 30,667,110.79

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1.5x scale

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.