Home / 145,025,992.88-217,393,534.80-67,357,441.60

Finding the Fourth Proportional to 145,025,992.88, 217,393,534.80 and 67,357,441.60

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Solution

The fourth proportional to 145,025,992.88, 217,393,534.80 and 67,357,441.60 is: 100,968,605.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,025,992.88 : 217,393,534.80 = 67,357,441.60 : x
  2. Step 2: Convert to fraction form
    145,025,992.88/217,393,534.80 = 67,357,441.60/x
  3. Step 3: Cross multiply
    145,025,992.88x = 217,393,534.80 × 67,357,441.60
  4. Step 4: Simplify right side
    145,025,992.88x = 14,643,072,324,508,568
  5. Step 5: Solve for x
    x = 14,643,072,324,508,568/145,025,992.88
  6. Step 6: Final answer
    x = 100,968,605.93

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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.