Home / 122,485,643.90-183,728,465.85-114,927,371.90

Finding the Fourth Proportional to 122,485,643.90, 183,728,465.85 and 114,927,371.90

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Solution

The fourth proportional to 122,485,643.90, 183,728,465.85 and 114,927,371.90 is: 172,391,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,485,643.90 : 183,728,465.85 = 114,927,371.90 : x
  2. Step 2: Convert to fraction form
    122,485,643.90/183,728,465.85 = 114,927,371.90/x
  3. Step 3: Cross multiply
    122,485,643.90x = 183,728,465.85 × 114,927,371.90
  4. Step 4: Simplify right side
    122,485,643.90x = 21,115,429,723,359,400
  5. Step 5: Solve for x
    x = 21,115,429,723,359,400/122,485,643.90
  6. Step 6: Final answer
    x = 172,391,057.85

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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.