Home / 173,820,170.40-260,730,255.60-145,760,085.60

Finding the Fourth Proportional to 173,820,170.40, 260,730,255.60 and 145,760,085.60

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Solution

The fourth proportional to 173,820,170.40, 260,730,255.60 and 145,760,085.60 is: 218,640,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,820,170.40 : 260,730,255.60 = 145,760,085.60 : x
  2. Step 2: Convert to fraction form
    173,820,170.40/260,730,255.60 = 145,760,085.60/x
  3. Step 3: Cross multiply
    173,820,170.40x = 260,730,255.60 × 145,760,085.60
  4. Step 4: Simplify right side
    173,820,170.40x = 38,004,064,374,765,880
  5. Step 5: Solve for x
    x = 38,004,064,374,765,880/173,820,170.40
  6. Step 6: Final answer
    x = 218,640,128.40

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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.