Home / 265,980,848.80-399,223,215.60-163,944,176.80

Finding the Fourth Proportional to 265,980,848.80, 399,223,215.60 and 163,944,176.80

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Solution

The fourth proportional to 265,980,848.80, 399,223,215.60 and 163,944,176.80 is: 246,071,556.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,980,848.80 : 399,223,215.60 = 163,944,176.80 : x
  2. Step 2: Convert to fraction form
    265,980,848.80/399,223,215.60 = 163,944,176.80/x
  3. Step 3: Cross multiply
    265,980,848.80x = 399,223,215.60 × 163,944,176.80
  4. Step 4: Simplify right side
    265,980,848.80x = 65,450,321,440,990,928
  5. Step 5: Solve for x
    x = 65,450,321,440,990,928/265,980,848.80
  6. Step 6: Final answer
    x = 246,071,556.42

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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.