Home / 171,072,630.80-256,608,946.20-167,671,408.40

Finding the Fourth Proportional to 171,072,630.80, 256,608,946.20 and 167,671,408.40

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Solution

The fourth proportional to 171,072,630.80, 256,608,946.20 and 167,671,408.40 is: 251,507,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,630.80 : 256,608,946.20 = 167,671,408.40 : x
  2. Step 2: Convert to fraction form
    171,072,630.80/256,608,946.20 = 167,671,408.40/x
  3. Step 3: Cross multiply
    171,072,630.80x = 256,608,946.20 × 167,671,408.40
  4. Step 4: Simplify right side
    171,072,630.80x = 43,025,983,417,393,824
  5. Step 5: Solve for x
    x = 43,025,983,417,393,824/171,072,630.80
  6. Step 6: Final answer
    x = 251,507,112.60

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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.