Home / 151,973,379.15-209,723,442.62-82,358,759.67

Finding the Fourth Proportional to 151,973,379.15, 209,723,442.62 and 82,358,759.67

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Solution

The fourth proportional to 151,973,379.15, 209,723,442.62 and 82,358,759.67 is: 113,655,185.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,973,379.15 : 209,723,442.62 = 82,358,759.67 : x
  2. Step 2: Convert to fraction form
    151,973,379.15/209,723,442.62 = 82,358,759.67/x
  3. Step 3: Cross multiply
    151,973,379.15x = 209,723,442.62 × 82,358,759.67
  4. Step 4: Simplify right side
    151,973,379.15x = 17,272,562,607,493,822
  5. Step 5: Solve for x
    x = 17,272,562,607,493,822/151,973,379.15
  6. Step 6: Final answer
    x = 113,655,185.56

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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.