Home / 144,220,842.26-199,034,527.06-81,475,178.06

Finding the Fourth Proportional to 144,220,842.26, 199,034,527.06 and 81,475,178.06

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Solution

The fourth proportional to 144,220,842.26, 199,034,527.06 and 81,475,178.06 is: 112,441,262.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,220,842.26 : 199,034,527.06 = 81,475,178.06 : x
  2. Step 2: Convert to fraction form
    144,220,842.26/199,034,527.06 = 81,475,178.06/x
  3. Step 3: Cross multiply
    144,220,842.26x = 199,034,527.06 × 81,475,178.06
  4. Step 4: Simplify right side
    144,220,842.26x = 16,216,373,531,102,530
  5. Step 5: Solve for x
    x = 16,216,373,531,102,530/144,220,842.26
  6. Step 6: Final answer
    x = 112,441,262.15

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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.