Home / 55,440,462.56-83,102,050.95-20,881,911.38

Finding the Fourth Proportional to 55,440,462.56, 83,102,050.95 and 20,881,911.38

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Solution

The fourth proportional to 55,440,462.56, 83,102,050.95 and 20,881,911.38 is: 31,300,778.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,440,462.56 : 83,102,050.95 = 20,881,911.38 : x
  2. Step 2: Convert to fraction form
    55,440,462.56/83,102,050.95 = 20,881,911.38/x
  3. Step 3: Cross multiply
    55,440,462.56x = 83,102,050.95 × 20,881,911.38
  4. Step 4: Simplify right side
    55,440,462.56x = 1,735,329,662,940,327.50
  5. Step 5: Solve for x
    x = 1,735,329,662,940,327.50/55,440,462.56
  6. Step 6: Final answer
    x = 31,300,778.94

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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.