Home / 123,992,817.30-185,888,448.99-43,270,472.34

Finding the Fourth Proportional to 123,992,817.30, 185,888,448.99 and 43,270,472.34

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Solution

The fourth proportional to 123,992,817.30, 185,888,448.99 and 43,270,472.34 is: 64,870,539.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,992,817.30 : 185,888,448.99 = 43,270,472.34 : x
  2. Step 2: Convert to fraction form
    123,992,817.30/185,888,448.99 = 43,270,472.34/x
  3. Step 3: Cross multiply
    123,992,817.30x = 185,888,448.99 × 43,270,472.34
  4. Step 4: Simplify right side
    123,992,817.30x = 8,043,480,990,347,297
  5. Step 5: Solve for x
    x = 8,043,480,990,347,297/123,992,817.30
  6. Step 6: Final answer
    x = 64,870,539.81

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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.