Home / 306,938,550.39-423,580,899.75-167,718,329.43

Finding the Fourth Proportional to 306,938,550.39, 423,580,899.75 and 167,718,329.43

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Solution

The fourth proportional to 306,938,550.39, 423,580,899.75 and 167,718,329.43 is: 231,454,409.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,938,550.39 : 423,580,899.75 = 167,718,329.43 : x
  2. Step 2: Convert to fraction form
    306,938,550.39/423,580,899.75 = 167,718,329.43/x
  3. Step 3: Cross multiply
    306,938,550.39x = 423,580,899.75 × 167,718,329.43
  4. Step 4: Simplify right side
    306,938,550.39x = 71,042,280,884,526,304
  5. Step 5: Solve for x
    x = 71,042,280,884,526,304/306,938,550.39
  6. Step 6: Final answer
    x = 231,454,409.34

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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.