Home / 122,491,923.80-169,038,777.84-67,487,779.76

Finding the Fourth Proportional to 122,491,923.80, 169,038,777.84 and 67,487,779.76

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Solution

The fourth proportional to 122,491,923.80, 169,038,777.84 and 67,487,779.76 is: 93,133,093.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,491,923.80 : 169,038,777.84 = 67,487,779.76 : x
  2. Step 2: Convert to fraction form
    122,491,923.80/169,038,777.84 = 67,487,779.76/x
  3. Step 3: Cross multiply
    122,491,923.80x = 169,038,777.84 × 67,487,779.76
  4. Step 4: Simplify right side
    122,491,923.80x = 11,408,051,809,765,490
  5. Step 5: Solve for x
    x = 11,408,051,809,765,490/122,491,923.80
  6. Step 6: Final answer
    x = 93,133,093.64

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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.