Home / 51,007,939.40-76,511,909.10-20,737,526.60

Finding the Fourth Proportional to 51,007,939.40, 76,511,909.10 and 20,737,526.60

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Solution

The fourth proportional to 51,007,939.40, 76,511,909.10 and 20,737,526.60 is: 31,106,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,007,939.40 : 76,511,909.10 = 20,737,526.60 : x
  2. Step 2: Convert to fraction form
    51,007,939.40/76,511,909.10 = 20,737,526.60/x
  3. Step 3: Cross multiply
    51,007,939.40x = 76,511,909.10 × 20,737,526.60
  4. Step 4: Simplify right side
    51,007,939.40x = 1,586,667,750,178,032
  5. Step 5: Solve for x
    x = 1,586,667,750,178,032/51,007,939.40
  6. Step 6: Final answer
    x = 31,106,289.90

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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.