Home / 83,612,515.09-115,387,098.54-45,936,164.56

Finding the Fourth Proportional to 83,612,515.09, 115,387,098.54 and 45,936,164.56

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Solution

The fourth proportional to 83,612,515.09, 115,387,098.54 and 45,936,164.56 is: 63,392,911.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,612,515.09 : 115,387,098.54 = 45,936,164.56 : x
  2. Step 2: Convert to fraction form
    83,612,515.09/115,387,098.54 = 45,936,164.56/x
  3. Step 3: Cross multiply
    83,612,515.09x = 115,387,098.54 × 45,936,164.56
  4. Step 4: Simplify right side
    83,612,515.09x = 5,300,440,746,634,376
  5. Step 5: Solve for x
    x = 5,300,440,746,634,376/83,612,515.09
  6. Step 6: Final answer
    x = 63,392,911.23

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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.