Home / 246,989,473.88-370,540,643.46-85,431,273.56

Finding the Fourth Proportional to 246,989,473.88, 370,540,643.46 and 85,431,273.56

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Solution

The fourth proportional to 246,989,473.88, 370,540,643.46 and 85,431,273.56 is: 128,166,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,989,473.88 : 370,540,643.46 = 85,431,273.56 : x
  2. Step 2: Convert to fraction form
    246,989,473.88/370,540,643.46 = 85,431,273.56/x
  3. Step 3: Cross multiply
    246,989,473.88x = 370,540,643.46 × 85,431,273.56
  4. Step 4: Simplify right side
    246,989,473.88x = 31,655,759,076,529,684
  5. Step 5: Solve for x
    x = 31,655,759,076,529,684/246,989,473.88
  6. Step 6: Final answer
    x = 128,166,429.85

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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.