Home / 207,796,257.60-311,694,386.40-86,714,606.40

Finding the Fourth Proportional to 207,796,257.60, 311,694,386.40 and 86,714,606.40

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Solution

The fourth proportional to 207,796,257.60, 311,694,386.40 and 86,714,606.40 is: 130,071,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,796,257.60 : 311,694,386.40 = 86,714,606.40 : x
  2. Step 2: Convert to fraction form
    207,796,257.60/311,694,386.40 = 86,714,606.40/x
  3. Step 3: Cross multiply
    207,796,257.60x = 311,694,386.40 × 86,714,606.40
  4. Step 4: Simplify right side
    207,796,257.60x = 27,028,456,033,765,512
  5. Step 5: Solve for x
    x = 27,028,456,033,765,512/207,796,257.60
  6. Step 6: Final answer
    x = 130,071,909.60

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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.