Home / 122,491,918.80-169,038,770.94-67,487,774.76

Finding the Fourth Proportional to 122,491,918.80, 169,038,770.94 and 67,487,774.76

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Solution

The fourth proportional to 122,491,918.80, 169,038,770.94 and 67,487,774.76 is: 93,133,086.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,491,918.80 : 169,038,770.94 = 67,487,774.76 : x
  2. Step 2: Convert to fraction form
    122,491,918.80/169,038,770.94 = 67,487,774.76/x
  3. Step 3: Cross multiply
    122,491,918.80x = 169,038,770.94 × 67,487,774.76
  4. Step 4: Simplify right side
    122,491,918.80x = 11,408,050,498,905,954
  5. Step 5: Solve for x
    x = 11,408,050,498,905,954/122,491,918.80
  6. Step 6: Final answer
    x = 93,133,086.74

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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.