Home / 76,961,901,819.96-106,169,683,133.34-66,786,347,848.86

Finding the Fourth Proportional to 76,961,901,819.96, 106,169,683,133.34 and 66,786,347,848.86

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Solution

The fourth proportional to 76,961,901,819.96, 106,169,683,133.34 and 66,786,347,848.86 is: 92,132,408,647.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,961,901,819.96 : 106,169,683,133.34 = 66,786,347,848.86 : x
  2. Step 2: Convert to fraction form
    76,961,901,819.96/106,169,683,133.34 = 66,786,347,848.86/x
  3. Step 3: Cross multiply
    76,961,901,819.96x = 106,169,683,133.34 × 66,786,347,848.86
  4. Step 4: Simplify right side
    76,961,901,819.96x = 7,090,685,388,746,489,069,568
  5. Step 5: Solve for x
    x = 7,090,685,388,746,489,069,568/76,961,901,819.96
  6. Step 6: Final answer
    x = 92,132,408,647.26

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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.