Home / 74,232,521.94-102,443,229.53-42,870,003.56

Finding the Fourth Proportional to 74,232,521.94, 102,443,229.53 and 42,870,003.56

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Solution

The fourth proportional to 74,232,521.94, 102,443,229.53 and 42,870,003.56 is: 59,161,961.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,232,521.94 : 102,443,229.53 = 42,870,003.56 : x
  2. Step 2: Convert to fraction form
    74,232,521.94/102,443,229.53 = 42,870,003.56/x
  3. Step 3: Cross multiply
    74,232,521.94x = 102,443,229.53 × 42,870,003.56
  4. Step 4: Simplify right side
    74,232,521.94x = 4,391,741,614,648,997.50
  5. Step 5: Solve for x
    x = 4,391,741,614,648,997.50/74,232,521.94
  6. Step 6: Final answer
    x = 59,161,961.63

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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.