Home / 171,072,672.80-256,609,009.20-167,671,450.40

Finding the Fourth Proportional to 171,072,672.80, 256,609,009.20 and 167,671,450.40

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Solution

The fourth proportional to 171,072,672.80, 256,609,009.20 and 167,671,450.40 is: 251,507,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,672.80 : 256,609,009.20 = 167,671,450.40 : x
  2. Step 2: Convert to fraction form
    171,072,672.80/256,609,009.20 = 167,671,450.40/x
  3. Step 3: Cross multiply
    171,072,672.80x = 256,609,009.20 × 167,671,450.40
  4. Step 4: Simplify right side
    171,072,672.80x = 43,026,004,758,270,944
  5. Step 5: Solve for x
    x = 43,026,004,758,270,944/171,072,672.80
  6. Step 6: Final answer
    x = 251,507,175.60

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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.