Home / 257,325,607.37-355,112,080.85-139,850,943.77

Finding the Fourth Proportional to 257,325,607.37, 355,112,080.85 and 139,850,943.77

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Solution

The fourth proportional to 257,325,607.37, 355,112,080.85 and 139,850,943.77 is: 192,995,792.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,325,607.37 : 355,112,080.85 = 139,850,943.77 : x
  2. Step 2: Convert to fraction form
    257,325,607.37/355,112,080.85 = 139,850,943.77/x
  3. Step 3: Cross multiply
    257,325,607.37x = 355,112,080.85 × 139,850,943.77
  4. Step 4: Simplify right side
    257,325,607.37x = 49,662,759,651,001,048
  5. Step 5: Solve for x
    x = 49,662,759,651,001,048/257,325,607.37
  6. Step 6: Final answer
    x = 192,995,792.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.