Home / 122,205,081.60-183,520,198.80-64,809,453.60

Finding the Fourth Proportional to 122,205,081.60, 183,520,198.80 and 64,809,453.60

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Solution

The fourth proportional to 122,205,081.60, 183,520,198.80 and 64,809,453.60 is: 97,326,916.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,205,081.60 : 183,520,198.80 = 64,809,453.60 : x
  2. Step 2: Convert to fraction form
    122,205,081.60/183,520,198.80 = 64,809,453.60/x
  3. Step 3: Cross multiply
    122,205,081.60x = 183,520,198.80 × 64,809,453.60
  4. Step 4: Simplify right side
    122,205,081.60x = 11,893,843,808,791,376
  5. Step 5: Solve for x
    x = 11,893,843,808,791,376/122,205,081.60
  6. Step 6: Final answer
    x = 97,326,916.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.