Home / 120,166,503.73-165,836,725.10-67,242,749.45

Finding the Fourth Proportional to 120,166,503.73, 165,836,725.10 and 67,242,749.45

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Solution

The fourth proportional to 120,166,503.73, 165,836,725.10 and 67,242,749.45 is: 92,798,883.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,166,503.73 : 165,836,725.10 = 67,242,749.45 : x
  2. Step 2: Convert to fraction form
    120,166,503.73/165,836,725.10 = 67,242,749.45/x
  3. Step 3: Cross multiply
    120,166,503.73x = 165,836,725.10 × 67,242,749.45
  4. Step 4: Simplify right side
    120,166,503.73x = 11,151,317,354,846,748
  5. Step 5: Solve for x
    x = 11,151,317,354,846,748/120,166,503.73
  6. Step 6: Final answer
    x = 92,798,883.29

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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.