Home / 76,771,620.72-115,176,323.88-54,096,804.72

Finding the Fourth Proportional to 76,771,620.72, 115,176,323.88 and 54,096,804.72

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Solution

The fourth proportional to 76,771,620.72, 115,176,323.88 and 54,096,804.72 is: 81,158,519.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,771,620.72 : 115,176,323.88 = 54,096,804.72 : x
  2. Step 2: Convert to fraction form
    76,771,620.72/115,176,323.88 = 54,096,804.72/x
  3. Step 3: Cross multiply
    76,771,620.72x = 115,176,323.88 × 54,096,804.72
  4. Step 4: Simplify right side
    76,771,620.72x = 6,230,671,101,303,832
  5. Step 5: Solve for x
    x = 6,230,671,101,303,832/76,771,620.72
  6. Step 6: Final answer
    x = 81,158,519.81

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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.