Home / 76,181,049.28-105,136,331.69-43,147,174.87

Finding the Fourth Proportional to 76,181,049.28, 105,136,331.69 and 43,147,174.87

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Solution

The fourth proportional to 76,181,049.28, 105,136,331.69 and 43,147,174.87 is: 59,546,773.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,181,049.28 : 105,136,331.69 = 43,147,174.87 : x
  2. Step 2: Convert to fraction form
    76,181,049.28/105,136,331.69 = 43,147,174.87/x
  3. Step 3: Cross multiply
    76,181,049.28x = 105,136,331.69 × 43,147,174.87
  4. Step 4: Simplify right side
    76,181,049.28x = 4,536,335,687,877,335
  5. Step 5: Solve for x
    x = 4,536,335,687,877,335/76,181,049.28
  6. Step 6: Final answer
    x = 59,546,773.52

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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.