Home / 76,804,828.60-115,339,953.30-40,973,020.60

Finding the Fourth Proportional to 76,804,828.60, 115,339,953.30 and 40,973,020.60

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Solution

The fourth proportional to 76,804,828.60, 115,339,953.30 and 40,973,020.60 is: 61,530,327.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,804,828.60 : 115,339,953.30 = 40,973,020.60 : x
  2. Step 2: Convert to fraction form
    76,804,828.60/115,339,953.30 = 40,973,020.60/x
  3. Step 3: Cross multiply
    76,804,828.60x = 115,339,953.30 × 40,973,020.60
  4. Step 4: Simplify right side
    76,804,828.60x = 4,725,826,282,563,938
  5. Step 5: Solve for x
    x = 4,725,826,282,563,938/76,804,828.60
  6. Step 6: Final answer
    x = 61,530,327.83

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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.