Home / 308,880,642.63-426,263,610.84-181,730,196.51

Finding the Fourth Proportional to 308,880,642.63, 426,263,610.84 and 181,730,196.51

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Solution

The fourth proportional to 308,880,642.63, 426,263,610.84 and 181,730,196.51 is: 250,792,568.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,880,642.63 : 426,263,610.84 = 181,730,196.51 : x
  2. Step 2: Convert to fraction form
    308,880,642.63/426,263,610.84 = 181,730,196.51/x
  3. Step 3: Cross multiply
    308,880,642.63x = 426,263,610.84 × 181,730,196.51
  4. Step 4: Simplify right side
    308,880,642.63x = 77,464,969,763,015,360
  5. Step 5: Solve for x
    x = 77,464,969,763,015,360/308,880,642.63
  6. Step 6: Final answer
    x = 250,792,568.62

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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.