Home / 120,107,080,260.54-165,736,815,405.51-71,269,484,060.58

Finding the Fourth Proportional to 120,107,080,260.54, 165,736,815,405.51 and 71,269,484,060.58

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Solution

The fourth proportional to 120,107,080,260.54, 165,736,815,405.51 and 71,269,484,060.58 is: 98,345,387,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,107,080,260.54 : 165,736,815,405.51 = 71,269,484,060.58 : x
  2. Step 2: Convert to fraction form
    120,107,080,260.54/165,736,815,405.51 = 71,269,484,060.58/x
  3. Step 3: Cross multiply
    120,107,080,260.54x = 165,736,815,405.51 × 71,269,484,060.58
  4. Step 4: Simplify right side
    120,107,080,260.54x = 11,811,977,323,794,285,985,792
  5. Step 5: Solve for x
    x = 11,811,977,323,794,285,985,792/120,107,080,260.54
  6. Step 6: Final answer
    x = 98,345,387,284.17

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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.