Home / 105,428,035.20-158,244,064.53-50,879,020.98

Finding the Fourth Proportional to 105,428,035.20, 158,244,064.53 and 50,879,020.98

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Solution

The fourth proportional to 105,428,035.20, 158,244,064.53 and 50,879,020.98 is: 76,367,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,428,035.20 : 158,244,064.53 = 50,879,020.98 : x
  2. Step 2: Convert to fraction form
    105,428,035.20/158,244,064.53 = 50,879,020.98/x
  3. Step 3: Cross multiply
    105,428,035.20x = 158,244,064.53 × 50,879,020.98
  4. Step 4: Simplify right side
    105,428,035.20x = 8,051,303,079,182,343
  5. Step 5: Solve for x
    x = 8,051,303,079,182,343/105,428,035.20
  6. Step 6: Final answer
    x = 76,367,761.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.