Home / 215,005,796.55-320,939,071.13-184,496,433.04

Finding the Fourth Proportional to 215,005,796.55, 320,939,071.13 and 184,496,433.04

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Solution

The fourth proportional to 215,005,796.55, 320,939,071.13 and 184,496,433.04 is: 275,397,755.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,005,796.55 : 320,939,071.13 = 184,496,433.04 : x
  2. Step 2: Convert to fraction form
    215,005,796.55/320,939,071.13 = 184,496,433.04/x
  3. Step 3: Cross multiply
    215,005,796.55x = 320,939,071.13 × 184,496,433.04
  4. Step 4: Simplify right side
    215,005,796.55x = 59,212,113,846,655,840
  5. Step 5: Solve for x
    x = 59,212,113,846,655,840/215,005,796.55
  6. Step 6: Final answer
    x = 275,397,755.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.