Home / 67,900,487.64-93,704,936.30-38,136,380.88

Finding the Fourth Proportional to 67,900,487.64, 93,704,936.30 and 38,136,380.88

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Solution

The fourth proportional to 67,900,487.64, 93,704,936.30 and 38,136,380.88 is: 52,629,476.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,900,487.64 : 93,704,936.30 = 38,136,380.88 : x
  2. Step 2: Convert to fraction form
    67,900,487.64/93,704,936.30 = 38,136,380.88/x
  3. Step 3: Cross multiply
    67,900,487.64x = 93,704,936.30 × 38,136,380.88
  4. Step 4: Simplify right side
    67,900,487.64x = 3,573,567,141,072,938
  5. Step 5: Solve for x
    x = 3,573,567,141,072,938/67,900,487.64
  6. Step 6: Final answer
    x = 52,629,476.83

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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.