Home / 308,880,649.08-426,263,619.78-181,730,203.02

Finding the Fourth Proportional to 308,880,649.08, 426,263,619.78 and 181,730,203.02

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Solution

The fourth proportional to 308,880,649.08, 426,263,619.78 and 181,730,203.02 is: 250,792,577.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,880,649.08 : 426,263,619.78 = 181,730,203.02 : x
  2. Step 2: Convert to fraction form
    308,880,649.08/426,263,619.78 = 181,730,203.02/x
  3. Step 3: Cross multiply
    308,880,649.08x = 426,263,619.78 × 181,730,203.02
  4. Step 4: Simplify right side
    308,880,649.08x = 77,464,974,162,659,488
  5. Step 5: Solve for x
    x = 77,464,974,162,659,488/308,880,649.08
  6. Step 6: Final answer
    x = 250,792,577.63

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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.