Home / 171,601,331.40-257,401,997.10-102,726,577.80

Finding the Fourth Proportional to 171,601,331.40, 257,401,997.10 and 102,726,577.80

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Solution

The fourth proportional to 171,601,331.40, 257,401,997.10 and 102,726,577.80 is: 154,089,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,601,331.40 : 257,401,997.10 = 102,726,577.80 : x
  2. Step 2: Convert to fraction form
    171,601,331.40/257,401,997.10 = 102,726,577.80/x
  3. Step 3: Cross multiply
    171,601,331.40x = 257,401,997.10 × 102,726,577.80
  4. Step 4: Simplify right side
    171,601,331.40x = 26,442,026,280,968,524
  5. Step 5: Solve for x
    x = 26,442,026,280,968,524/171,601,331.40
  6. Step 6: Final answer
    x = 154,089,866.70

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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.