Home / 123,239,629.07-170,076,002.24-68,235,490.43

Finding the Fourth Proportional to 123,239,629.07, 170,076,002.24 and 68,235,490.43

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Solution

The fourth proportional to 123,239,629.07, 170,076,002.24 and 68,235,490.43 is: 94,167,919.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,239,629.07 : 170,076,002.24 = 68,235,490.43 : x
  2. Step 2: Convert to fraction form
    123,239,629.07/170,076,002.24 = 68,235,490.43/x
  3. Step 3: Cross multiply
    123,239,629.07x = 170,076,002.24 × 68,235,490.43
  4. Step 4: Simplify right side
    123,239,629.07x = 11,605,219,422,879,004
  5. Step 5: Solve for x
    x = 11,605,219,422,879,004/123,239,629.07
  6. Step 6: Final answer
    x = 94,167,919.12

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1.5x scale

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.