Home / 69,808,537.80-96,332,673.26-40,017,828.96

Finding the Fourth Proportional to 69,808,537.80, 96,332,673.26 and 40,017,828.96

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Solution

The fourth proportional to 69,808,537.80, 96,332,673.26 and 40,017,828.96 is: 55,222,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,808,537.80 : 96,332,673.26 = 40,017,828.96 : x
  2. Step 2: Convert to fraction form
    69,808,537.80/96,332,673.26 = 40,017,828.96/x
  3. Step 3: Cross multiply
    69,808,537.80x = 96,332,673.26 × 40,017,828.96
  4. Step 4: Simplify right side
    69,808,537.80x = 3,855,024,441,878,290.50
  5. Step 5: Solve for x
    x = 3,855,024,441,878,290.50/69,808,537.80
  6. Step 6: Final answer
    x = 55,222,821.78

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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.