Home / 154,425,378.88-231,637,872.57-39,409,923.79

Finding the Fourth Proportional to 154,425,378.88, 231,637,872.57 and 39,409,923.79

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Solution

The fourth proportional to 154,425,378.88, 231,637,872.57 and 39,409,923.79 is: 59,114,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,425,378.88 : 231,637,872.57 = 39,409,923.79 : x
  2. Step 2: Convert to fraction form
    154,425,378.88/231,637,872.57 = 39,409,923.79/x
  3. Step 3: Cross multiply
    154,425,378.88x = 231,637,872.57 × 39,409,923.79
  4. Step 4: Simplify right side
    154,425,378.88x = 9,128,830,904,861,430
  5. Step 5: Solve for x
    x = 9,128,830,904,861,430/154,425,378.88
  6. Step 6: Final answer
    x = 59,114,835.73

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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.