Home / 76,294,997.28-105,283,891.26-43,257,468.96

Finding the Fourth Proportional to 76,294,997.28, 105,283,891.26 and 43,257,468.96

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Solution

The fourth proportional to 76,294,997.28, 105,283,891.26 and 43,257,468.96 is: 59,693,490.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,294,997.28 : 105,283,891.26 = 43,257,468.96 : x
  2. Step 2: Convert to fraction form
    76,294,997.28/105,283,891.26 = 43,257,468.96/x
  3. Step 3: Cross multiply
    76,294,997.28x = 105,283,891.26 × 43,257,468.96
  4. Step 4: Simplify right side
    76,294,997.28x = 4,554,314,658,167,466
  5. Step 5: Solve for x
    x = 4,554,314,658,167,466/76,294,997.28
  6. Step 6: Final answer
    x = 59,693,490.01

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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.