Home / 55,187,440.34-76,160,393.21-31,670,279.42

Finding the Fourth Proportional to 55,187,440.34, 76,160,393.21 and 31,670,279.42

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Solution

The fourth proportional to 55,187,440.34, 76,160,393.21 and 31,670,279.42 is: 43,705,975.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,187,440.34 : 76,160,393.21 = 31,670,279.42 : x
  2. Step 2: Convert to fraction form
    55,187,440.34/76,160,393.21 = 31,670,279.42/x
  3. Step 3: Cross multiply
    55,187,440.34x = 76,160,393.21 × 31,670,279.42
  4. Step 4: Simplify right side
    55,187,440.34x = 2,412,020,933,507,369.50
  5. Step 5: Solve for x
    x = 2,412,020,933,507,369.50/55,187,440.34
  6. Step 6: Final answer
    x = 43,705,975.83

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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.