Home / 74,212,639.08-111,286,325.34-30,463,359.72

Finding the Fourth Proportional to 74,212,639.08, 111,286,325.34 and 30,463,359.72

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Solution

The fourth proportional to 74,212,639.08, 111,286,325.34 and 30,463,359.72 is: 45,681,644.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,212,639.08 : 111,286,325.34 = 30,463,359.72 : x
  2. Step 2: Convert to fraction form
    74,212,639.08/111,286,325.34 = 30,463,359.72/x
  3. Step 3: Cross multiply
    74,212,639.08x = 111,286,325.34 × 30,463,359.72
  4. Step 4: Simplify right side
    74,212,639.08x = 3,390,155,360,749,371.50
  5. Step 5: Solve for x
    x = 3,390,155,360,749,371.50/74,212,639.08
  6. Step 6: Final answer
    x = 45,681,644.03

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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.