Home / 132,224,581.20-198,336,871.80-91,409,912.40

Finding the Fourth Proportional to 132,224,581.20, 198,336,871.80 and 91,409,912.40

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Solution

The fourth proportional to 132,224,581.20, 198,336,871.80 and 91,409,912.40 is: 137,114,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,224,581.20 : 198,336,871.80 = 91,409,912.40 : x
  2. Step 2: Convert to fraction form
    132,224,581.20/198,336,871.80 = 91,409,912.40/x
  3. Step 3: Cross multiply
    132,224,581.20x = 198,336,871.80 × 91,409,912.40
  4. Step 4: Simplify right side
    132,224,581.20x = 18,129,956,076,928,032
  5. Step 5: Solve for x
    x = 18,129,956,076,928,032/132,224,581.20
  6. Step 6: Final answer
    x = 137,114,868.60

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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.