Home / 115,440,825.80-173,161,238.70-105,027,206.60

Finding the Fourth Proportional to 115,440,825.80, 173,161,238.70 and 105,027,206.60

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Solution

The fourth proportional to 115,440,825.80, 173,161,238.70 and 105,027,206.60 is: 157,540,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,440,825.80 : 173,161,238.70 = 105,027,206.60 : x
  2. Step 2: Convert to fraction form
    115,440,825.80/173,161,238.70 = 105,027,206.60/x
  3. Step 3: Cross multiply
    115,440,825.80x = 173,161,238.70 × 105,027,206.60
  4. Step 4: Simplify right side
    115,440,825.80x = 18,186,641,192,056,812
  5. Step 5: Solve for x
    x = 18,186,641,192,056,812/115,440,825.80
  6. Step 6: Final answer
    x = 157,540,809.90

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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.