Home / 105,891,079.56-146,084,361.08-66,129,581.00

Finding the Fourth Proportional to 105,891,079.56, 146,084,361.08 and 66,129,581.00

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Solution

The fourth proportional to 105,891,079.56, 146,084,361.08 and 66,129,581.00 is: 91,230,513.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,891,079.56 : 146,084,361.08 = 66,129,581.00 : x
  2. Step 2: Convert to fraction form
    105,891,079.56/146,084,361.08 = 66,129,581.00/x
  3. Step 3: Cross multiply
    105,891,079.56x = 146,084,361.08 × 66,129,581.00
  4. Step 4: Simplify right side
    105,891,079.56x = 9,660,497,587,812,036
  5. Step 5: Solve for x
    x = 9,660,497,587,812,036/105,891,079.56
  6. Step 6: Final answer
    x = 91,230,513.73

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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.