Home / 55,300,283.35-82,941,176.71-20,278,160.56

Finding the Fourth Proportional to 55,300,283.35, 82,941,176.71 and 20,278,160.56

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Solution

The fourth proportional to 55,300,283.35, 82,941,176.71 and 20,278,160.56 is: 30,413,849.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,300,283.35 : 82,941,176.71 = 20,278,160.56 : x
  2. Step 2: Convert to fraction form
    55,300,283.35/82,941,176.71 = 20,278,160.56/x
  3. Step 3: Cross multiply
    55,300,283.35x = 82,941,176.71 × 20,278,160.56
  4. Step 4: Simplify right side
    55,300,283.35x = 1,681,894,498,666,546.25
  5. Step 5: Solve for x
    x = 1,681,894,498,666,546.25/55,300,283.35
  6. Step 6: Final answer
    x = 30,413,849.57

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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.