Home / 43,456,543.70-65,184,815.55-28,339,999.70

Finding the Fourth Proportional to 43,456,543.70, 65,184,815.55 and 28,339,999.70

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Solution

The fourth proportional to 43,456,543.70, 65,184,815.55 and 28,339,999.70 is: 42,509,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,456,543.70 : 65,184,815.55 = 28,339,999.70 : x
  2. Step 2: Convert to fraction form
    43,456,543.70/65,184,815.55 = 28,339,999.70/x
  3. Step 3: Cross multiply
    43,456,543.70x = 65,184,815.55 × 28,339,999.70
  4. Step 4: Simplify right side
    43,456,543.70x = 1,847,337,653,131,555.25
  5. Step 5: Solve for x
    x = 1,847,337,653,131,555.25/43,456,543.70
  6. Step 6: Final answer
    x = 42,509,999.55

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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.