Home / 155,242,704.50-214,231,176.78-85,626,590.30

Finding the Fourth Proportional to 155,242,704.50, 214,231,176.78 and 85,626,590.30

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Solution

The fourth proportional to 155,242,704.50, 214,231,176.78 and 85,626,590.30 is: 118,162,623.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,242,704.50 : 214,231,176.78 = 85,626,590.30 : x
  2. Step 2: Convert to fraction form
    155,242,704.50/214,231,176.78 = 85,626,590.30/x
  3. Step 3: Cross multiply
    155,242,704.50x = 214,231,176.78 × 85,626,590.30
  4. Step 4: Simplify right side
    155,242,704.50x = 18,343,885,203,627,932
  5. Step 5: Solve for x
    x = 18,343,885,203,627,932/155,242,704.50
  6. Step 6: Final answer
    x = 118,162,623.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.