Home / 112,930,628.80-169,521,914.40-105,529,820.80

Finding the Fourth Proportional to 112,930,628.80, 169,521,914.40 and 105,529,820.80

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Solution

The fourth proportional to 112,930,628.80, 169,521,914.40 and 105,529,820.80 is: 158,412,446.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,930,628.80 : 169,521,914.40 = 105,529,820.80 : x
  2. Step 2: Convert to fraction form
    112,930,628.80/169,521,914.40 = 105,529,820.80/x
  3. Step 3: Cross multiply
    112,930,628.80x = 169,521,914.40 × 105,529,820.80
  4. Step 4: Simplify right side
    112,930,628.80x = 17,889,617,248,304,940
  5. Step 5: Solve for x
    x = 17,889,617,248,304,940/112,930,628.80
  6. Step 6: Final answer
    x = 158,412,446.99

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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.