Home / 308,880,640.12-426,263,607.40-181,730,194.00

Finding the Fourth Proportional to 308,880,640.12, 426,263,607.40 and 181,730,194.00

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Solution

The fourth proportional to 308,880,640.12, 426,263,607.40 and 181,730,194.00 is: 250,792,565.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,880,640.12 : 426,263,607.40 = 181,730,194.00 : x
  2. Step 2: Convert to fraction form
    308,880,640.12/426,263,607.40 = 181,730,194.00/x
  3. Step 3: Cross multiply
    308,880,640.12x = 426,263,607.40 × 181,730,194.00
  4. Step 4: Simplify right side
    308,880,640.12x = 77,464,968,067,454,912
  5. Step 5: Solve for x
    x = 77,464,968,067,454,912/308,880,640.12
  6. Step 6: Final answer
    x = 250,792,565.17

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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.