Home / 265,616,104.32-398,394,231.84-71,541,724.32

Finding the Fourth Proportional to 265,616,104.32, 398,394,231.84 and 71,541,724.32

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Solution

The fourth proportional to 265,616,104.32, 398,394,231.84 and 71,541,724.32 is: 107,304,526.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,616,104.32 : 398,394,231.84 = 71,541,724.32 : x
  2. Step 2: Convert to fraction form
    265,616,104.32/398,394,231.84 = 71,541,724.32/x
  3. Step 3: Cross multiply
    265,616,104.32x = 398,394,231.84 × 71,541,724.32
  4. Step 4: Simplify right side
    265,616,104.32x = 28,501,810,304,975,440
  5. Step 5: Solve for x
    x = 28,501,810,304,975,440/265,616,104.32
  6. Step 6: Final answer
    x = 107,304,526.50

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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.