Home / 154,195,261.32-212,796,135.54-92,303,627.88

Finding the Fourth Proportional to 154,195,261.32, 212,796,135.54 and 92,303,627.88

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Solution

The fourth proportional to 154,195,261.32, 212,796,135.54 and 92,303,627.88 is: 127,383,002.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,195,261.32 : 212,796,135.54 = 92,303,627.88 : x
  2. Step 2: Convert to fraction form
    154,195,261.32/212,796,135.54 = 92,303,627.88/x
  3. Step 3: Cross multiply
    154,195,261.32x = 212,796,135.54 × 92,303,627.88
  4. Step 4: Simplify right side
    154,195,261.32x = 19,641,855,309,186,200
  5. Step 5: Solve for x
    x = 19,641,855,309,186,200/154,195,261.32
  6. Step 6: Final answer
    x = 127,383,002.18

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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.