Home / 292,414,635.20-438,621,952.80-120,015,174.80

Finding the Fourth Proportional to 292,414,635.20, 438,621,952.80 and 120,015,174.80

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Solution

The fourth proportional to 292,414,635.20, 438,621,952.80 and 120,015,174.80 is: 180,022,762.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,414,635.20 : 438,621,952.80 = 120,015,174.80 : x
  2. Step 2: Convert to fraction form
    292,414,635.20/438,621,952.80 = 120,015,174.80/x
  3. Step 3: Cross multiply
    292,414,635.20x = 438,621,952.80 × 120,015,174.80
  4. Step 4: Simplify right side
    292,414,635.20x = 52,641,290,336,409,352
  5. Step 5: Solve for x
    x = 52,641,290,336,409,352/292,414,635.20
  6. Step 6: Final answer
    x = 180,022,762.20

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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.