Home / 49,836,276.40-74,740,417.80-15,768,065.20

Finding the Fourth Proportional to 49,836,276.40, 74,740,417.80 and 15,768,065.20

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Solution

The fourth proportional to 49,836,276.40, 74,740,417.80 and 15,768,065.20 is: 23,647,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,836,276.40 : 74,740,417.80 = 15,768,065.20 : x
  2. Step 2: Convert to fraction form
    49,836,276.40/74,740,417.80 = 15,768,065.20/x
  3. Step 3: Cross multiply
    49,836,276.40x = 74,740,417.80 × 15,768,065.20
  4. Step 4: Simplify right side
    49,836,276.40x = 1,178,511,780,945,640.50
  5. Step 5: Solve for x
    x = 1,178,511,780,945,640.50/49,836,276.40
  6. Step 6: Final answer
    x = 23,647,669.25

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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.