Home / 129,471,096.40-194,206,644.60-69,004,920.40

Finding the Fourth Proportional to 129,471,096.40, 194,206,644.60 and 69,004,920.40

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Solution

The fourth proportional to 129,471,096.40, 194,206,644.60 and 69,004,920.40 is: 103,507,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,471,096.40 : 194,206,644.60 = 69,004,920.40 : x
  2. Step 2: Convert to fraction form
    129,471,096.40/194,206,644.60 = 69,004,920.40/x
  3. Step 3: Cross multiply
    129,471,096.40x = 194,206,644.60 × 69,004,920.40
  4. Step 4: Simplify right side
    129,471,096.40x = 13,401,214,051,774,090
  5. Step 5: Solve for x
    x = 13,401,214,051,774,090/129,471,096.40
  6. Step 6: Final answer
    x = 103,507,380.60

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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.