Home / 76,961,901,820.46-106,169,683,134.03-66,786,347,849.36

Finding the Fourth Proportional to 76,961,901,820.46, 106,169,683,134.03 and 66,786,347,849.36

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Solution

The fourth proportional to 76,961,901,820.46, 106,169,683,134.03 and 66,786,347,849.36 is: 92,132,408,647.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,961,901,820.46 : 106,169,683,134.03 = 66,786,347,849.36 : x
  2. Step 2: Convert to fraction form
    76,961,901,820.46/106,169,683,134.03 = 66,786,347,849.36/x
  3. Step 3: Cross multiply
    76,961,901,820.46x = 106,169,683,134.03 × 66,786,347,849.36
  4. Step 4: Simplify right side
    76,961,901,820.46x = 7,090,685,388,845,657,096,192
  5. Step 5: Solve for x
    x = 7,090,685,388,845,657,096,192/76,961,901,820.46
  6. Step 6: Final answer
    x = 92,132,408,647.95

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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.