Home / 171,072,146.80-256,608,220.20-43,421,330.80

Finding the Fourth Proportional to 171,072,146.80, 256,608,220.20 and 43,421,330.80

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Solution

The fourth proportional to 171,072,146.80, 256,608,220.20 and 43,421,330.80 is: 65,131,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,146.80 : 256,608,220.20 = 43,421,330.80 : x
  2. Step 2: Convert to fraction form
    171,072,146.80/256,608,220.20 = 43,421,330.80/x
  3. Step 3: Cross multiply
    171,072,146.80x = 256,608,220.20 × 43,421,330.80
  4. Step 4: Simplify right side
    171,072,146.80x = 11,142,270,415,303,440
  5. Step 5: Solve for x
    x = 11,142,270,415,303,440/171,072,146.80
  6. Step 6: Final answer
    x = 65,131,996.20

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Similar ratio
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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.