Home / 54,997,732.34-82,483,800.30-20,470,394.81

Finding the Fourth Proportional to 54,997,732.34, 82,483,800.30 and 20,470,394.81

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Solution

The fourth proportional to 54,997,732.34, 82,483,800.30 and 20,470,394.81 is: 30,700,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,997,732.34 : 82,483,800.30 = 20,470,394.81 : x
  2. Step 2: Convert to fraction form
    54,997,732.34/82,483,800.30 = 20,470,394.81/x
  3. Step 3: Cross multiply
    54,997,732.34x = 82,483,800.30 × 20,470,394.81
  4. Step 4: Simplify right side
    54,997,732.34x = 1,688,475,957,570,196.25
  5. Step 5: Solve for x
    x = 1,688,475,957,570,196.25/54,997,732.34
  6. Step 6: Final answer
    x = 30,700,828.67

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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.