Home / 281,969,723.70-389,119,338.45-158,202,319.86

Finding the Fourth Proportional to 281,969,723.70, 389,119,338.45 and 158,202,319.86

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Solution

The fourth proportional to 281,969,723.70, 389,119,338.45 and 158,202,319.86 is: 218,319,829.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,969,723.70 : 389,119,338.45 = 158,202,319.86 : x
  2. Step 2: Convert to fraction form
    281,969,723.70/389,119,338.45 = 158,202,319.86/x
  3. Step 3: Cross multiply
    281,969,723.70x = 389,119,338.45 × 158,202,319.86
  4. Step 4: Simplify right side
    281,969,723.70x = 61,559,582,045,178,504
  5. Step 5: Solve for x
    x = 61,559,582,045,178,504/281,969,723.70
  6. Step 6: Final answer
    x = 218,319,829.65

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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.