Home / 45,814,467.88-68,771,497.38-18,539,538.76

Finding the Fourth Proportional to 45,814,467.88, 68,771,497.38 and 18,539,538.76

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Solution

The fourth proportional to 45,814,467.88, 68,771,497.38 and 18,539,538.76 is: 27,829,458.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,814,467.88 : 68,771,497.38 = 18,539,538.76 : x
  2. Step 2: Convert to fraction form
    45,814,467.88/68,771,497.38 = 18,539,538.76/x
  3. Step 3: Cross multiply
    45,814,467.88x = 68,771,497.38 × 18,539,538.76
  4. Step 4: Simplify right side
    45,814,467.88x = 1,274,991,841,259,748.50
  5. Step 5: Solve for x
    x = 1,274,991,841,259,748.50/45,814,467.88
  6. Step 6: Final answer
    x = 27,829,458.69

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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.