Home / 76,977,055.08-115,503,519.78-36,039,266.28

Finding the Fourth Proportional to 76,977,055.08, 115,503,519.78 and 36,039,266.28

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Solution

The fourth proportional to 76,977,055.08, 115,503,519.78 and 36,039,266.28 is: 54,076,660.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,977,055.08 : 115,503,519.78 = 36,039,266.28 : x
  2. Step 2: Convert to fraction form
    76,977,055.08/115,503,519.78 = 36,039,266.28/x
  3. Step 3: Cross multiply
    76,977,055.08x = 115,503,519.78 × 36,039,266.28
  4. Step 4: Simplify right side
    76,977,055.08x = 4,162,662,105,628,667
  5. Step 5: Solve for x
    x = 4,162,662,105,628,667/76,977,055.08
  6. Step 6: Final answer
    x = 54,076,660.91

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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.