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Finding the Fourth Proportional to 316,173,775, 436,319,809.50 and 171,470,287

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Solution

The fourth proportional to 316,173,775, 436,319,809.50 and 171,470,287 is: 236,628,996.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,173,775 : 436,319,809.50 = 171,470,287 : x
  2. Step 2: Convert to fraction form
    316,173,775/436,319,809.50 = 171,470,287/x
  3. Step 3: Cross multiply
    316,173,775x = 436,319,809.50 × 171,470,287
  4. Step 4: Simplify right side
    316,173,775x = 74,815,882,958,750,320
  5. Step 5: Solve for x
    x = 74,815,882,958,750,320/316,173,775
  6. Step 6: Final answer
    x = 236,628,996.06

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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.