Home / 43,736,198.34-65,578,916.38-20,706,939.52

Finding the Fourth Proportional to 43,736,198.34, 65,578,916.38 and 20,706,939.52

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Solution

The fourth proportional to 43,736,198.34, 65,578,916.38 and 20,706,939.52 is: 31,048,392.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,736,198.34 : 65,578,916.38 = 20,706,939.52 : x
  2. Step 2: Convert to fraction form
    43,736,198.34/65,578,916.38 = 20,706,939.52/x
  3. Step 3: Cross multiply
    43,736,198.34x = 65,578,916.38 × 20,706,939.52
  4. Step 4: Simplify right side
    43,736,198.34x = 1,357,938,655,267,797.25
  5. Step 5: Solve for x
    x = 1,357,938,655,267,797.25/43,736,198.34
  6. Step 6: Final answer
    x = 31,048,392.56

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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.