Home / 55,368,760.60-83,045,267.70-18,978,830.20

Finding the Fourth Proportional to 55,368,760.60, 83,045,267.70 and 18,978,830.20

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Solution

The fourth proportional to 55,368,760.60, 83,045,267.70 and 18,978,830.20 is: 28,465,546.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,368,760.60 : 83,045,267.70 = 18,978,830.20 : x
  2. Step 2: Convert to fraction form
    55,368,760.60/83,045,267.70 = 18,978,830.20/x
  3. Step 3: Cross multiply
    55,368,760.60x = 83,045,267.70 × 18,978,830.20
  4. Step 4: Simplify right side
    55,368,760.60x = 1,576,102,034,591,844.50
  5. Step 5: Solve for x
    x = 1,576,102,034,591,844.50/55,368,760.60
  6. Step 6: Final answer
    x = 28,465,546.59

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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.