Home / 154,606,455.42-231,903,630.72-52,370,493.18

Finding the Fourth Proportional to 154,606,455.42, 231,903,630.72 and 52,370,493.18

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Solution

The fourth proportional to 154,606,455.42, 231,903,630.72 and 52,370,493.18 is: 78,553,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,606,455.42 : 231,903,630.72 = 52,370,493.18 : x
  2. Step 2: Convert to fraction form
    154,606,455.42/231,903,630.72 = 52,370,493.18/x
  3. Step 3: Cross multiply
    154,606,455.42x = 231,903,630.72 × 52,370,493.18
  4. Step 4: Simplify right side
    154,606,455.42x = 12,144,907,511,038,998
  5. Step 5: Solve for x
    x = 12,144,907,511,038,998/154,606,455.42
  6. Step 6: Final answer
    x = 78,553,689.61

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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.