Home / 112,930,629.80-169,521,915.90-105,529,821.80

Finding the Fourth Proportional to 112,930,629.80, 169,521,915.90 and 105,529,821.80

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Solution

The fourth proportional to 112,930,629.80, 169,521,915.90 and 105,529,821.80 is: 158,412,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,930,629.80 : 169,521,915.90 = 105,529,821.80 : x
  2. Step 2: Convert to fraction form
    112,930,629.80/169,521,915.90 = 105,529,821.80/x
  3. Step 3: Cross multiply
    112,930,629.80x = 169,521,915.90 × 105,529,821.80
  4. Step 4: Simplify right side
    112,930,629.80x = 17,889,617,576,121,586
  5. Step 5: Solve for x
    x = 17,889,617,576,121,586/112,930,629.80
  6. Step 6: Final answer
    x = 158,412,448.49

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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.