Home / 308,880,642.12-426,263,610.16-181,730,196

Finding the Fourth Proportional to 308,880,642.12, 426,263,610.16 and 181,730,196

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Solution

The fourth proportional to 308,880,642.12, 426,263,610.16 and 181,730,196 is: 250,792,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,880,642.12 : 426,263,610.16 = 181,730,196 : x
  2. Step 2: Convert to fraction form
    308,880,642.12/426,263,610.16 = 181,730,196/x
  3. Step 3: Cross multiply
    308,880,642.12x = 426,263,610.16 × 181,730,196
  4. Step 4: Simplify right side
    308,880,642.12x = 77,464,969,422,044,400
  5. Step 5: Solve for x
    x = 77,464,969,422,044,400/308,880,642.12
  6. Step 6: Final answer
    x = 250,792,567.93

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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.