Home / 292,410,049.20-438,615,073.80-120,010,588.80

Finding the Fourth Proportional to 292,410,049.20, 438,615,073.80 and 120,010,588.80

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Solution

The fourth proportional to 292,410,049.20, 438,615,073.80 and 120,010,588.80 is: 180,015,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,410,049.20 : 438,615,073.80 = 120,010,588.80 : x
  2. Step 2: Convert to fraction form
    292,410,049.20/438,615,073.80 = 120,010,588.80/x
  3. Step 3: Cross multiply
    292,410,049.20x = 438,615,073.80 × 120,010,588.80
  4. Step 4: Simplify right side
    292,410,049.20x = 52,638,453,263,293,456
  5. Step 5: Solve for x
    x = 52,638,453,263,293,456/292,410,049.20
  6. Step 6: Final answer
    x = 180,015,883.20

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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.