Home / 186,980,987.80-280,471,481.70-118,106,234.20

Finding the Fourth Proportional to 186,980,987.80, 280,471,481.70 and 118,106,234.20

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Solution

The fourth proportional to 186,980,987.80, 280,471,481.70 and 118,106,234.20 is: 177,159,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,980,987.80 : 280,471,481.70 = 118,106,234.20 : x
  2. Step 2: Convert to fraction form
    186,980,987.80/280,471,481.70 = 118,106,234.20/x
  3. Step 3: Cross multiply
    186,980,987.80x = 280,471,481.70 × 118,106,234.20
  4. Step 4: Simplify right side
    186,980,987.80x = 33,125,430,504,081,212
  5. Step 5: Solve for x
    x = 33,125,430,504,081,212/186,980,987.80
  6. Step 6: Final answer
    x = 177,159,351.30

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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.