Home / 43,445,216.70-65,167,825.05-28,328,672.70

Finding the Fourth Proportional to 43,445,216.70, 65,167,825.05 and 28,328,672.70

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Solution

The fourth proportional to 43,445,216.70, 65,167,825.05 and 28,328,672.70 is: 42,493,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,445,216.70 : 65,167,825.05 = 28,328,672.70 : x
  2. Step 2: Convert to fraction form
    43,445,216.70/65,167,825.05 = 28,328,672.70/x
  3. Step 3: Cross multiply
    43,445,216.70x = 65,167,825.05 × 28,328,672.70
  4. Step 4: Simplify right side
    43,445,216.70x = 1,846,117,986,412,311
  5. Step 5: Solve for x
    x = 1,846,117,986,412,311/43,445,216.70
  6. Step 6: Final answer
    x = 42,493,009.05

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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.