Home / 105,891,080.56-146,084,362.45-66,129,582

Finding the Fourth Proportional to 105,891,080.56, 146,084,362.45 and 66,129,582

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Solution

The fourth proportional to 105,891,080.56, 146,084,362.45 and 66,129,582 is: 91,230,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,891,080.56 : 146,084,362.45 = 66,129,582 : x
  2. Step 2: Convert to fraction form
    105,891,080.56/146,084,362.45 = 66,129,582/x
  3. Step 3: Cross multiply
    105,891,080.56x = 146,084,362.45 × 66,129,582
  4. Step 4: Simplify right side
    105,891,080.56x = 9,660,497,825,554,996
  5. Step 5: Solve for x
    x = 9,660,497,825,554,996/105,891,080.56
  6. Step 6: Final answer
    x = 91,230,515.11

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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.