Home / 132,576,834.40-198,529,328.40-105,702,978.40

Finding the Fourth Proportional to 132,576,834.40, 198,529,328.40 and 105,702,978.40

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Solution

The fourth proportional to 132,576,834.40, 198,529,328.40 and 105,702,978.40 is: 158,286,637.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,576,834.40 : 198,529,328.40 = 105,702,978.40 : x
  2. Step 2: Convert to fraction form
    132,576,834.40/198,529,328.40 = 105,702,978.40/x
  3. Step 3: Cross multiply
    132,576,834.40x = 198,529,328.40 × 105,702,978.40
  4. Step 4: Simplify right side
    132,576,834.40x = 20,985,141,311,631,708
  5. Step 5: Solve for x
    x = 20,985,141,311,631,708/132,576,834.40
  6. Step 6: Final answer
    x = 158,286,637.38

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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.