Home / 76,181,050.78-105,136,333.76-43,147,176.37

Finding the Fourth Proportional to 76,181,050.78, 105,136,333.76 and 43,147,176.37

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Solution

The fourth proportional to 76,181,050.78, 105,136,333.76 and 43,147,176.37 is: 59,546,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,181,050.78 : 105,136,333.76 = 43,147,176.37 : x
  2. Step 2: Convert to fraction form
    76,181,050.78/105,136,333.76 = 43,147,176.37/x
  3. Step 3: Cross multiply
    76,181,050.78x = 105,136,333.76 × 43,147,176.37
  4. Step 4: Simplify right side
    76,181,050.78x = 4,536,335,935,637,905
  5. Step 5: Solve for x
    x = 4,536,335,935,637,905/76,181,050.78
  6. Step 6: Final answer
    x = 59,546,775.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.