Home / 135,245,286-202,900,947.03-43,129,026.63

Finding the Fourth Proportional to 135,245,286, 202,900,947.03 and 43,129,026.63

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Solution

The fourth proportional to 135,245,286, 202,900,947.03 and 43,129,026.63 is: 64,704,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,245,286 : 202,900,947.03 = 43,129,026.63 : x
  2. Step 2: Convert to fraction form
    135,245,286/202,900,947.03 = 43,129,026.63/x
  3. Step 3: Cross multiply
    135,245,286x = 202,900,947.03 × 43,129,026.63
  4. Step 4: Simplify right side
    135,245,286x = 8,750,920,347,709,090
  5. Step 5: Solve for x
    x = 8,750,920,347,709,090/135,245,286
  6. Step 6: Final answer
    x = 64,704,069.23

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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.