Home / 129,574,585.22-194,496,361.92-75,093,615.86

Finding the Fourth Proportional to 129,574,585.22, 194,496,361.92 and 75,093,615.86

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Solution

The fourth proportional to 129,574,585.22, 194,496,361.92 and 75,093,615.86 is: 112,718,362.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,574,585.22 : 194,496,361.92 = 75,093,615.86 : x
  2. Step 2: Convert to fraction form
    129,574,585.22/194,496,361.92 = 75,093,615.86/x
  3. Step 3: Cross multiply
    129,574,585.22x = 194,496,361.92 × 75,093,615.86
  4. Step 4: Simplify right side
    129,574,585.22x = 14,605,435,088,188,010
  5. Step 5: Solve for x
    x = 14,605,435,088,188,010/129,574,585.22
  6. Step 6: Final answer
    x = 112,718,362.66

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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.