Home / 223,102,342.65-307,888,709.56-123,987,267.55

Finding the Fourth Proportional to 223,102,342.65, 307,888,709.56 and 123,987,267.55

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Solution

The fourth proportional to 223,102,342.65, 307,888,709.56 and 123,987,267.55 is: 171,106,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,102,342.65 : 307,888,709.56 = 123,987,267.55 : x
  2. Step 2: Convert to fraction form
    223,102,342.65/307,888,709.56 = 123,987,267.55/x
  3. Step 3: Cross multiply
    223,102,342.65x = 307,888,709.56 × 123,987,267.55
  4. Step 4: Simplify right side
    223,102,342.65x = 38,174,279,807,839,960
  5. Step 5: Solve for x
    x = 38,174,279,807,839,960/223,102,342.65
  6. Step 6: Final answer
    x = 171,106,584.33

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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.