Home / 292,414,553.70-438,621,830.55-120,015,093.30

Finding the Fourth Proportional to 292,414,553.70, 438,621,830.55 and 120,015,093.30

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Solution

The fourth proportional to 292,414,553.70, 438,621,830.55 and 120,015,093.30 is: 180,022,639.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,414,553.70 : 438,621,830.55 = 120,015,093.30 : x
  2. Step 2: Convert to fraction form
    292,414,553.70/438,621,830.55 = 120,015,093.30/x
  3. Step 3: Cross multiply
    292,414,553.70x = 438,621,830.55 × 120,015,093.30
  4. Step 4: Simplify right side
    292,414,553.70x = 52,641,239,916,875,040
  5. Step 5: Solve for x
    x = 52,641,239,916,875,040/292,414,553.70
  6. Step 6: Final answer
    x = 180,022,639.95

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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.