Home / 119,226,379.20-178,839,568.80-107,888,971.20

Finding the Fourth Proportional to 119,226,379.20, 178,839,568.80 and 107,888,971.20

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Solution

The fourth proportional to 119,226,379.20, 178,839,568.80 and 107,888,971.20 is: 161,833,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,226,379.20 : 178,839,568.80 = 107,888,971.20 : x
  2. Step 2: Convert to fraction form
    119,226,379.20/178,839,568.80 = 107,888,971.20/x
  3. Step 3: Cross multiply
    119,226,379.20x = 178,839,568.80 × 107,888,971.20
  4. Step 4: Simplify right side
    119,226,379.20x = 19,294,817,087,683,620
  5. Step 5: Solve for x
    x = 19,294,817,087,683,620/119,226,379.20
  6. Step 6: Final answer
    x = 161,833,456.80

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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.