Home / 240,072,535.52-331,295,780.42-135,648,364.86

Finding the Fourth Proportional to 240,072,535.52, 331,295,780.42 and 135,648,364.86

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Solution

The fourth proportional to 240,072,535.52, 331,295,780.42 and 135,648,364.86 is: 187,192,303.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,072,535.52 : 331,295,780.42 = 135,648,364.86 : x
  2. Step 2: Convert to fraction form
    240,072,535.52/331,295,780.42 = 135,648,364.86/x
  3. Step 3: Cross multiply
    240,072,535.52x = 331,295,780.42 × 135,648,364.86
  4. Step 4: Simplify right side
    240,072,535.52x = 44,939,730,898,990,608
  5. Step 5: Solve for x
    x = 44,939,730,898,990,608/240,072,535.52
  6. Step 6: Final answer
    x = 187,192,303.37

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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.