Home / 262,428,803.60-393,641,131.80-68,339,843.60

Finding the Fourth Proportional to 262,428,803.60, 393,641,131.80 and 68,339,843.60

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Solution

The fourth proportional to 262,428,803.60, 393,641,131.80 and 68,339,843.60 is: 102,509,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,428,803.60 : 393,641,131.80 = 68,339,843.60 : x
  2. Step 2: Convert to fraction form
    262,428,803.60/393,641,131.80 = 68,339,843.60/x
  3. Step 3: Cross multiply
    262,428,803.60x = 393,641,131.80 × 68,339,843.60
  4. Step 4: Simplify right side
    262,428,803.60x = 26,901,373,381,738,984
  5. Step 5: Solve for x
    x = 26,901,373,381,738,984/262,428,803.60
  6. Step 6: Final answer
    x = 102,509,225.41

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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.