Home / 43,638,060.77-65,473,052.43-20,305,931.42

Finding the Fourth Proportional to 43,638,060.77, 65,473,052.43 and 20,305,931.42

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Solution

The fourth proportional to 43,638,060.77, 65,473,052.43 and 20,305,931.42 is: 30,466,324.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,638,060.77 : 65,473,052.43 = 20,305,931.42 : x
  2. Step 2: Convert to fraction form
    43,638,060.77/65,473,052.43 = 20,305,931.42/x
  3. Step 3: Cross multiply
    43,638,060.77x = 65,473,052.43 × 20,305,931.42
  4. Step 4: Simplify right side
    43,638,060.77x = 1,329,491,312,223,947
  5. Step 5: Solve for x
    x = 1,329,491,312,223,947/43,638,060.77
  6. Step 6: Final answer
    x = 30,466,324.32

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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.