Home / 49,394,139.20-74,091,208.80-15,318,929.60

Finding the Fourth Proportional to 49,394,139.20, 74,091,208.80 and 15,318,929.60

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Solution

The fourth proportional to 49,394,139.20, 74,091,208.80 and 15,318,929.60 is: 22,978,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,394,139.20 : 74,091,208.80 = 15,318,929.60 : x
  2. Step 2: Convert to fraction form
    49,394,139.20/74,091,208.80 = 15,318,929.60/x
  3. Step 3: Cross multiply
    49,394,139.20x = 74,091,208.80 × 15,318,929.60
  4. Step 4: Simplify right side
    49,394,139.20x = 1,134,998,011,586,100.50
  5. Step 5: Solve for x
    x = 1,134,998,011,586,100.50/49,394,139.20
  6. Step 6: Final answer
    x = 22,978,394.40

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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.