Home / 253,405,675.76-349,699,832.58-137,512,171.76

Finding the Fourth Proportional to 253,405,675.76, 349,699,832.58 and 137,512,171.76

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Solution

The fourth proportional to 253,405,675.76, 349,699,832.58 and 137,512,171.76 is: 189,766,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,405,675.76 : 349,699,832.58 = 137,512,171.76 : x
  2. Step 2: Convert to fraction form
    253,405,675.76/349,699,832.58 = 137,512,171.76/x
  3. Step 3: Cross multiply
    253,405,675.76x = 349,699,832.58 × 137,512,171.76
  4. Step 4: Simplify right side
    253,405,675.76x = 48,087,983,442,184,200
  5. Step 5: Solve for x
    x = 48,087,983,442,184,200/253,405,675.76
  6. Step 6: Final answer
    x = 189,766,797.05

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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.