Home / 129,539,586.40-194,025,944.40-112,533,474.40

Finding the Fourth Proportional to 129,539,586.40, 194,025,944.40 and 112,533,474.40

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Solution

The fourth proportional to 129,539,586.40, 194,025,944.40 and 112,533,474.40 is: 168,553,986.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,539,586.40 : 194,025,944.40 = 112,533,474.40 : x
  2. Step 2: Convert to fraction form
    129,539,586.40/194,025,944.40 = 112,533,474.40/x
  3. Step 3: Cross multiply
    129,539,586.40x = 194,025,944.40 × 112,533,474.40
  4. Step 4: Simplify right side
    129,539,586.40x = 21,834,413,647,073,224
  5. Step 5: Solve for x
    x = 21,834,413,647,073,224/129,539,586.40
  6. Step 6: Final answer
    x = 168,553,986.11

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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.