Home / 55,133,765.20-82,700,647.80-36,993,912.40

Finding the Fourth Proportional to 55,133,765.20, 82,700,647.80 and 36,993,912.40

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Solution

The fourth proportional to 55,133,765.20, 82,700,647.80 and 36,993,912.40 is: 55,490,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,133,765.20 : 82,700,647.80 = 36,993,912.40 : x
  2. Step 2: Convert to fraction form
    55,133,765.20/82,700,647.80 = 36,993,912.40/x
  3. Step 3: Cross multiply
    55,133,765.20x = 82,700,647.80 × 36,993,912.40
  4. Step 4: Simplify right side
    55,133,765.20x = 3,059,420,520,136,452.50
  5. Step 5: Solve for x
    x = 3,059,420,520,136,452.50/55,133,765.20
  6. Step 6: Final answer
    x = 55,490,868.60

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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.