Home / 123,589,969.30-185,384,953.95-69,170,410.90

Finding the Fourth Proportional to 123,589,969.30, 185,384,953.95 and 69,170,410.90

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Solution

The fourth proportional to 123,589,969.30, 185,384,953.95 and 69,170,410.90 is: 103,755,616.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,589,969.30 : 185,384,953.95 = 69,170,410.90 : x
  2. Step 2: Convert to fraction form
    123,589,969.30/185,384,953.95 = 69,170,410.90/x
  3. Step 3: Cross multiply
    123,589,969.30x = 185,384,953.95 × 69,170,410.90
  4. Step 4: Simplify right side
    123,589,969.30x = 12,823,153,439,399,078
  5. Step 5: Solve for x
    x = 12,823,153,439,399,078/123,589,969.30
  6. Step 6: Final answer
    x = 103,755,616.35

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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.