Home / 138,624,379.06-191,294,368.30-75,888,450.02

Finding the Fourth Proportional to 138,624,379.06, 191,294,368.30 and 75,888,450.02

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Solution

The fourth proportional to 138,624,379.06, 191,294,368.30 and 75,888,450.02 is: 104,722,078.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,624,379.06 : 191,294,368.30 = 75,888,450.02 : x
  2. Step 2: Convert to fraction form
    138,624,379.06/191,294,368.30 = 75,888,450.02/x
  3. Step 3: Cross multiply
    138,624,379.06x = 191,294,368.30 × 75,888,450.02
  4. Step 4: Simplify right side
    138,624,379.06x = 14,517,033,107,842,022
  5. Step 5: Solve for x
    x = 14,517,033,107,842,022/138,624,379.06
  6. Step 6: Final answer
    x = 104,722,078.51

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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.