Home / 223,102,532.90-307,888,972-123,987,457.82

Finding the Fourth Proportional to 223,102,532.90, 307,888,972 and 123,987,457.82

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Solution

The fourth proportional to 223,102,532.90, 307,888,972 and 123,987,457.82 is: 171,106,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,102,532.90 : 307,888,972 = 123,987,457.82 : x
  2. Step 2: Convert to fraction form
    223,102,532.90/307,888,972 = 123,987,457.82/x
  3. Step 3: Cross multiply
    223,102,532.90x = 307,888,972 × 123,987,457.82
  4. Step 4: Simplify right side
    223,102,532.90x = 38,174,370,929,093,160
  5. Step 5: Solve for x
    x = 38,174,370,929,093,160/223,102,532.90
  6. Step 6: Final answer
    x = 171,106,846.85

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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.