Home / 260,924,380.65-391,670,178.50-105,585,123.65

Finding the Fourth Proportional to 260,924,380.65, 391,670,178.50 and 105,585,123.65

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Solution

The fourth proportional to 260,924,380.65, 391,670,178.50 and 105,585,123.65 is: 158,492,449.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,924,380.65 : 391,670,178.50 = 105,585,123.65 : x
  2. Step 2: Convert to fraction form
    260,924,380.65/391,670,178.50 = 105,585,123.65/x
  3. Step 3: Cross multiply
    260,924,380.65x = 391,670,178.50 × 105,585,123.65
  4. Step 4: Simplify right side
    260,924,380.65x = 41,354,544,225,245,680
  5. Step 5: Solve for x
    x = 41,354,544,225,245,680/260,924,380.65
  6. Step 6: Final answer
    x = 158,492,449.51

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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.