Home / 122,485,791.30-183,728,686.95-45,792,950.10

Finding the Fourth Proportional to 122,485,791.30, 183,728,686.95 and 45,792,950.10

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Solution

The fourth proportional to 122,485,791.30, 183,728,686.95 and 45,792,950.10 is: 68,689,425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,485,791.30 : 183,728,686.95 = 45,792,950.10 : x
  2. Step 2: Convert to fraction form
    122,485,791.30/183,728,686.95 = 45,792,950.10/x
  3. Step 3: Cross multiply
    122,485,791.30x = 183,728,686.95 × 45,792,950.10
  4. Step 4: Simplify right side
    122,485,791.30x = 8,413,478,593,439,871
  5. Step 5: Solve for x
    x = 8,413,478,593,439,871/122,485,791.30
  6. Step 6: Final answer
    x = 68,689,425.15

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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.