Home / 59,709,997.68-82,425,222-40,142,234.64

Finding the Fourth Proportional to 59,709,997.68, 82,425,222 and 40,142,234.64

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Solution

The fourth proportional to 59,709,997.68, 82,425,222 and 40,142,234.64 is: 55,413,376.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,709,997.68 : 82,425,222 = 40,142,234.64 : x
  2. Step 2: Convert to fraction form
    59,709,997.68/82,425,222 = 40,142,234.64/x
  3. Step 3: Cross multiply
    59,709,997.68x = 82,425,222 × 40,142,234.64
  4. Step 4: Simplify right side
    59,709,997.68x = 3,308,732,601,778,090
  5. Step 5: Solve for x
    x = 3,308,732,601,778,090/59,709,997.68
  6. Step 6: Final answer
    x = 55,413,376.83

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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.