Home / 265,839,131.34-398,821,331.97-90,964,069.29

Finding the Fourth Proportional to 265,839,131.34, 398,821,331.97 and 90,964,069.29

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Solution

The fourth proportional to 265,839,131.34, 398,821,331.97 and 90,964,069.29 is: 136,467,536.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,839,131.34 : 398,821,331.97 = 90,964,069.29 : x
  2. Step 2: Convert to fraction form
    265,839,131.34/398,821,331.97 = 90,964,069.29/x
  3. Step 3: Cross multiply
    265,839,131.34x = 398,821,331.97 × 90,964,069.29
  4. Step 4: Simplify right side
    265,839,131.34x = 36,278,411,275,649,176
  5. Step 5: Solve for x
    x = 36,278,411,275,649,176/265,839,131.34
  6. Step 6: Final answer
    x = 136,467,536.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.