Home / 316,084,205.74-436,207,882.72-173,039,996.12

Finding the Fourth Proportional to 316,084,205.74, 436,207,882.72 and 173,039,996.12

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Solution

The fourth proportional to 316,084,205.74, 436,207,882.72 and 173,039,996.12 is: 238,801,588.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,084,205.74 : 436,207,882.72 = 173,039,996.12 : x
  2. Step 2: Convert to fraction form
    316,084,205.74/436,207,882.72 = 173,039,996.12/x
  3. Step 3: Cross multiply
    316,084,205.74x = 436,207,882.72 × 173,039,996.12
  4. Step 4: Simplify right side
    316,084,205.74x = 75,481,410,333,382,224
  5. Step 5: Solve for x
    x = 75,481,410,333,382,224/316,084,205.74
  6. Step 6: Final answer
    x = 238,801,588.19

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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.