Home / 51,127,571.46-70,557,789.75-30,237,511.50

Finding the Fourth Proportional to 51,127,571.46, 70,557,789.75 and 30,237,511.50

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Solution

The fourth proportional to 51,127,571.46, 70,557,789.75 and 30,237,511.50 is: 41,728,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,127,571.46 : 70,557,789.75 = 30,237,511.50 : x
  2. Step 2: Convert to fraction form
    51,127,571.46/70,557,789.75 = 30,237,511.50/x
  3. Step 3: Cross multiply
    51,127,571.46x = 70,557,789.75 × 30,237,511.50
  4. Step 4: Simplify right side
    51,127,571.46x = 2,133,491,978,980,207
  5. Step 5: Solve for x
    x = 2,133,491,978,980,207/51,127,571.46
  6. Step 6: Final answer
    x = 41,728,795.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.