Home / 265,964,014.20-398,946,021.30-163,927,342.20

Finding the Fourth Proportional to 265,964,014.20, 398,946,021.30 and 163,927,342.20

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Solution

The fourth proportional to 265,964,014.20, 398,946,021.30 and 163,927,342.20 is: 245,891,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,964,014.20 : 398,946,021.30 = 163,927,342.20 : x
  2. Step 2: Convert to fraction form
    265,964,014.20/398,946,021.30 = 163,927,342.20/x
  3. Step 3: Cross multiply
    265,964,014.20x = 398,946,021.30 × 163,927,342.20
  4. Step 4: Simplify right side
    265,964,014.20x = 65,398,160,952,973,584
  5. Step 5: Solve for x
    x = 65,398,160,952,973,584/265,964,014.20
  6. Step 6: Final answer
    x = 245,891,013.30

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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.