Home / 189,230,471.40-261,137,559.06-105,597,724.56

Finding the Fourth Proportional to 189,230,471.40, 261,137,559.06 and 105,597,724.56

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Solution

The fourth proportional to 189,230,471.40, 261,137,559.06 and 105,597,724.56 is: 145,724,585.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,230,471.40 : 261,137,559.06 = 105,597,724.56 : x
  2. Step 2: Convert to fraction form
    189,230,471.40/261,137,559.06 = 105,597,724.56/x
  3. Step 3: Cross multiply
    189,230,471.40x = 261,137,559.06 × 105,597,724.56
  4. Step 4: Simplify right side
    189,230,471.40x = 27,575,532,033,888,612
  5. Step 5: Solve for x
    x = 27,575,532,033,888,612/189,230,471.40
  6. Step 6: Final answer
    x = 145,724,585.63

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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.