Home / 79,621,763.51-109,821,433.30-53,146,769.06

Finding the Fourth Proportional to 79,621,763.51, 109,821,433.30 and 53,146,769.06

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Solution

The fourth proportional to 79,621,763.51, 109,821,433.30 and 53,146,769.06 is: 73,304,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,621,763.51 : 109,821,433.30 = 53,146,769.06 : x
  2. Step 2: Convert to fraction form
    79,621,763.51/109,821,433.30 = 53,146,769.06/x
  3. Step 3: Cross multiply
    79,621,763.51x = 109,821,433.30 × 53,146,769.06
  4. Step 4: Simplify right side
    79,621,763.51x = 5,836,654,353,574,980
  5. Step 5: Solve for x
    x = 5,836,654,353,574,980/79,621,763.51
  6. Step 6: Final answer
    x = 73,304,761.11

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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.