Home / 279,080,283.09-418,588,482.42-74,624,301.57

Finding the Fourth Proportional to 279,080,283.09, 418,588,482.42 and 74,624,301.57

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Solution

The fourth proportional to 279,080,283.09, 418,588,482.42 and 74,624,301.57 is: 111,927,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,080,283.09 : 418,588,482.42 = 74,624,301.57 : x
  2. Step 2: Convert to fraction form
    279,080,283.09/418,588,482.42 = 74,624,301.57/x
  3. Step 3: Cross multiply
    279,080,283.09x = 418,588,482.42 × 74,624,301.57
  4. Step 4: Simplify right side
    279,080,283.09x = 31,236,873,145,838,720
  5. Step 5: Solve for x
    x = 31,236,873,145,838,720/279,080,283.09
  6. Step 6: Final answer
    x = 111,927,911.21

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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.