Home / 196,831,409.80-295,247,114.70-81,898,436.20

Finding the Fourth Proportional to 196,831,409.80, 295,247,114.70 and 81,898,436.20

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Solution

The fourth proportional to 196,831,409.80, 295,247,114.70 and 81,898,436.20 is: 122,847,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,831,409.80 : 295,247,114.70 = 81,898,436.20 : x
  2. Step 2: Convert to fraction form
    196,831,409.80/295,247,114.70 = 81,898,436.20/x
  3. Step 3: Cross multiply
    196,831,409.80x = 295,247,114.70 × 81,898,436.20
  4. Step 4: Simplify right side
    196,831,409.80x = 24,180,276,986,492,032
  5. Step 5: Solve for x
    x = 24,180,276,986,492,032/196,831,409.80
  6. Step 6: Final answer
    x = 122,847,654.30

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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.