Home / 215,871,108.60-323,540,942.40-146,783,778.60

Finding the Fourth Proportional to 215,871,108.60, 323,540,942.40 and 146,783,778.60

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Solution

The fourth proportional to 215,871,108.60, 323,540,942.40 and 146,783,778.60 is: 219,994,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,871,108.60 : 323,540,942.40 = 146,783,778.60 : x
  2. Step 2: Convert to fraction form
    215,871,108.60/323,540,942.40 = 146,783,778.60/x
  3. Step 3: Cross multiply
    215,871,108.60x = 323,540,942.40 × 146,783,778.60
  4. Step 4: Simplify right side
    215,871,108.60x = 47,490,562,057,276,944
  5. Step 5: Solve for x
    x = 47,490,562,057,276,944/215,871,108.60
  6. Step 6: Final answer
    x = 219,994,988.52

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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.