Home / 278,175,089.88-383,882,379.44-152,735,410.67

Finding the Fourth Proportional to 278,175,089.88, 383,882,379.44 and 152,735,410.67

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Solution

The fourth proportional to 278,175,089.88, 383,882,379.44 and 152,735,410.67 is: 210,775,281.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,175,089.88 : 383,882,379.44 = 152,735,410.67 : x
  2. Step 2: Convert to fraction form
    278,175,089.88/383,882,379.44 = 152,735,410.67/x
  3. Step 3: Cross multiply
    278,175,089.88x = 383,882,379.44 × 152,735,410.67
  4. Step 4: Simplify right side
    278,175,089.88x = 58,632,432,870,062,072
  5. Step 5: Solve for x
    x = 58,632,432,870,062,072/278,175,089.88
  6. Step 6: Final answer
    x = 210,775,281.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.