Home / 221,184,006.40-331,776,009.60-201,012,025.60

Finding the Fourth Proportional to 221,184,006.40, 331,776,009.60 and 201,012,025.60

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Solution

The fourth proportional to 221,184,006.40, 331,776,009.60 and 201,012,025.60 is: 301,518,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,184,006.40 : 331,776,009.60 = 201,012,025.60 : x
  2. Step 2: Convert to fraction form
    221,184,006.40/331,776,009.60 = 201,012,025.60/x
  3. Step 3: Cross multiply
    221,184,006.40x = 331,776,009.60 × 201,012,025.60
  4. Step 4: Simplify right side
    221,184,006.40x = 66,690,967,735,181,048
  5. Step 5: Solve for x
    x = 66,690,967,735,181,048/221,184,006.40
  6. Step 6: Final answer
    x = 301,518,038.40

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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.