Home / 56,510,261-84,778,027.50-20,608,469

Finding the Fourth Proportional to 56,510,261, 84,778,027.50 and 20,608,469

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Solution

The fourth proportional to 56,510,261, 84,778,027.50 and 20,608,469 is: 30,917,311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,510,261 : 84,778,027.50 = 20,608,469 : x
  2. Step 2: Convert to fraction form
    56,510,261/84,778,027.50 = 20,608,469/x
  3. Step 3: Cross multiply
    56,510,261x = 84,778,027.50 × 20,608,469
  4. Step 4: Simplify right side
    56,510,261x = 1,747,145,351,614,897.50
  5. Step 5: Solve for x
    x = 1,747,145,351,614,897.50/56,510,261
  6. Step 6: Final answer
    x = 30,917,311.67

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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.