Home / 83,246,086.72-124,912,185.54-60,405,334.12

Finding the Fourth Proportional to 83,246,086.72, 124,912,185.54 and 60,405,334.12

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Solution

The fourth proportional to 83,246,086.72, 124,912,185.54 and 60,405,334.12 is: 90,639,243.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,246,086.72 : 124,912,185.54 = 60,405,334.12 : x
  2. Step 2: Convert to fraction form
    83,246,086.72/124,912,185.54 = 60,405,334.12/x
  3. Step 3: Cross multiply
    83,246,086.72x = 124,912,185.54 × 60,405,334.12
  4. Step 4: Simplify right side
    83,246,086.72x = 7,545,362,303,203,133
  5. Step 5: Solve for x
    x = 7,545,362,303,203,133/83,246,086.72
  6. Step 6: Final answer
    x = 90,639,243.24

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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.