Home / 51,603,261.16-71,212,512.03-28,398,388.12

Finding the Fourth Proportional to 51,603,261.16, 71,212,512.03 and 28,398,388.12

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Solution

The fourth proportional to 51,603,261.16, 71,212,512.03 and 28,398,388.12 is: 39,189,782.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,603,261.16 : 71,212,512.03 = 28,398,388.12 : x
  2. Step 2: Convert to fraction form
    51,603,261.16/71,212,512.03 = 28,398,388.12/x
  3. Step 3: Cross multiply
    51,603,261.16x = 71,212,512.03 × 28,398,388.12
  4. Step 4: Simplify right side
    51,603,261.16x = 2,022,320,555,130,054.75
  5. Step 5: Solve for x
    x = 2,022,320,555,130,054.75/51,603,261.16
  6. Step 6: Final answer
    x = 39,189,782.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.