Home / 74,139,171.72-102,306,895.74-41,099,103.24

Finding the Fourth Proportional to 74,139,171.72, 102,306,895.74 and 41,099,103.24

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Solution

The fourth proportional to 74,139,171.72, 102,306,895.74 and 41,099,103.24 is: 56,713,901.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,139,171.72 : 102,306,895.74 = 41,099,103.24 : x
  2. Step 2: Convert to fraction form
    74,139,171.72/102,306,895.74 = 41,099,103.24/x
  3. Step 3: Cross multiply
    74,139,171.72x = 102,306,895.74 × 41,099,103.24
  4. Step 4: Simplify right side
    74,139,171.72x = 4,204,721,670,182,176
  5. Step 5: Solve for x
    x = 4,204,721,670,182,176/74,139,171.72
  6. Step 6: Final answer
    x = 56,713,901.34

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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.