Home / 81,583,029.07-122,338,633.06-43,235,558.71

Finding the Fourth Proportional to 81,583,029.07, 122,338,633.06 and 43,235,558.71

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Solution

The fourth proportional to 81,583,029.07, 122,338,633.06 and 43,235,558.71 is: 64,834,306.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,583,029.07 : 122,338,633.06 = 43,235,558.71 : x
  2. Step 2: Convert to fraction form
    81,583,029.07/122,338,633.06 = 43,235,558.71/x
  3. Step 3: Cross multiply
    81,583,029.07x = 122,338,633.06 × 43,235,558.71
  4. Step 4: Simplify right side
    81,583,029.07x = 5,289,379,151,752,842
  5. Step 5: Solve for x
    x = 5,289,379,151,752,842/81,583,029.07
  6. Step 6: Final answer
    x = 64,834,306.99

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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.