Home / 112,930,640.80-169,521,932.40-105,529,832.80

Finding the Fourth Proportional to 112,930,640.80, 169,521,932.40 and 105,529,832.80

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Solution

The fourth proportional to 112,930,640.80, 169,521,932.40 and 105,529,832.80 is: 158,412,464.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,930,640.80 : 169,521,932.40 = 105,529,832.80 : x
  2. Step 2: Convert to fraction form
    112,930,640.80/169,521,932.40 = 105,529,832.80/x
  3. Step 3: Cross multiply
    112,930,640.80x = 169,521,932.40 × 105,529,832.80
  4. Step 4: Simplify right side
    112,930,640.80x = 17,889,621,182,104,902
  5. Step 5: Solve for x
    x = 17,889,621,182,104,902/112,930,640.80
  6. Step 6: Final answer
    x = 158,412,464.99

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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.