Home / 208,076,146.26-312,216,771.69-97,419,295.50

Finding the Fourth Proportional to 208,076,146.26, 312,216,771.69 and 97,419,295.50

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Solution

The fourth proportional to 208,076,146.26, 312,216,771.69 and 97,419,295.50 is: 146,176,957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,076,146.26 : 312,216,771.69 = 97,419,295.50 : x
  2. Step 2: Convert to fraction form
    208,076,146.26/312,216,771.69 = 97,419,295.50/x
  3. Step 3: Cross multiply
    208,076,146.26x = 312,216,771.69 × 97,419,295.50
  4. Step 4: Simplify right side
    208,076,146.26x = 30,415,937,941,324,144
  5. Step 5: Solve for x
    x = 30,415,937,941,324,144/208,076,146.26
  6. Step 6: Final answer
    x = 146,176,957.27

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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.