Home / 70,118,783.30-105,183,461.72-20,930,751.04

Finding the Fourth Proportional to 70,118,783.30, 105,183,461.72 and 20,930,751.04

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Solution

The fourth proportional to 70,118,783.30, 105,183,461.72 and 20,930,751.04 is: 31,397,704.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,118,783.30 : 105,183,461.72 = 20,930,751.04 : x
  2. Step 2: Convert to fraction form
    70,118,783.30/105,183,461.72 = 20,930,751.04/x
  3. Step 3: Cross multiply
    70,118,783.30x = 105,183,461.72 × 20,930,751.04
  4. Step 4: Simplify right side
    70,118,783.30x = 2,201,568,850,786,690
  5. Step 5: Solve for x
    x = 2,201,568,850,786,690/70,118,783.30
  6. Step 6: Final answer
    x = 31,397,704.68

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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.