Home / 128,099,858,553.73-176,773,977,459.64-70,226,259,493.34

Finding the Fourth Proportional to 128,099,858,553.73, 176,773,977,459.64 and 70,226,259,493.34

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Solution

The fourth proportional to 128,099,858,553.73, 176,773,977,459.64 and 70,226,259,493.34 is: 96,910,139,893.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,099,858,553.73 : 176,773,977,459.64 = 70,226,259,493.34 : x
  2. Step 2: Convert to fraction form
    128,099,858,553.73/176,773,977,459.64 = 70,226,259,493.34/x
  3. Step 3: Cross multiply
    128,099,858,553.73x = 176,773,977,459.64 × 70,226,259,493.34
  4. Step 4: Simplify right side
    128,099,858,553.73x = 12,414,175,212,751,221,161,984
  5. Step 5: Solve for x
    x = 12,414,175,212,751,221,161,984/128,099,858,553.73
  6. Step 6: Final answer
    x = 96,910,139,893.28

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1.5x scale

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.