Home / 146,424,551.91-202,078,665.30-80,357,800.60

Finding the Fourth Proportional to 146,424,551.91, 202,078,665.30 and 80,357,800.60

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Solution

The fourth proportional to 146,424,551.91, 202,078,665.30 and 80,357,800.60 is: 110,900,780.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,424,551.91 : 202,078,665.30 = 80,357,800.60 : x
  2. Step 2: Convert to fraction form
    146,424,551.91/202,078,665.30 = 80,357,800.60/x
  3. Step 3: Cross multiply
    146,424,551.91x = 202,078,665.30 × 80,357,800.60
  4. Step 4: Simplify right side
    146,424,551.91x = 16,238,597,091,691,538
  5. Step 5: Solve for x
    x = 16,238,597,091,691,538/146,424,551.91
  6. Step 6: Final answer
    x = 110,900,780.50

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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.