Home / 121,017,541-166,983,371.86-68,086,903.12

Finding the Fourth Proportional to 121,017,541, 166,983,371.86 and 68,086,903.12

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Solution

The fourth proportional to 121,017,541, 166,983,371.86 and 68,086,903.12 is: 93,948,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,017,541 : 166,983,371.86 = 68,086,903.12 : x
  2. Step 2: Convert to fraction form
    121,017,541/166,983,371.86 = 68,086,903.12/x
  3. Step 3: Cross multiply
    121,017,541x = 166,983,371.86 × 68,086,903.12
  4. Step 4: Simplify right side
    121,017,541x = 11,369,380,662,482,756
  5. Step 5: Solve for x
    x = 11,369,380,662,482,756/121,017,541
  6. Step 6: Final answer
    x = 93,948,204.27

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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.