Home / 81,351,271.63-112,266,947.37-47,863,088.38

Finding the Fourth Proportional to 81,351,271.63, 112,266,947.37 and 47,863,088.38

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Solution

The fourth proportional to 81,351,271.63, 112,266,947.37 and 47,863,088.38 is: 66,052,351.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,351,271.63 : 112,266,947.37 = 47,863,088.38 : x
  2. Step 2: Convert to fraction form
    81,351,271.63/112,266,947.37 = 47,863,088.38/x
  3. Step 3: Cross multiply
    81,351,271.63x = 112,266,947.37 × 47,863,088.38
  4. Step 4: Simplify right side
    81,351,271.63x = 5,373,442,824,123,119
  5. Step 5: Solve for x
    x = 5,373,442,824,123,119/81,351,271.63
  6. Step 6: Final answer
    x = 66,052,351.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.