Home / 170,443,409.40-255,515,814.90-102,313,207.80

Finding the Fourth Proportional to 170,443,409.40, 255,515,814.90 and 102,313,207.80

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Solution

The fourth proportional to 170,443,409.40, 255,515,814.90 and 102,313,207.80 is: 153,380,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,443,409.40 : 255,515,814.90 = 102,313,207.80 : x
  2. Step 2: Convert to fraction form
    170,443,409.40/255,515,814.90 = 102,313,207.80/x
  3. Step 3: Cross multiply
    170,443,409.40x = 255,515,814.90 × 102,313,207.80
  4. Step 4: Simplify right side
    170,443,409.40x = 26,142,642,666,050,036
  5. Step 5: Solve for x
    x = 26,142,642,666,050,036/170,443,409.40
  6. Step 6: Final answer
    x = 153,380,190.87

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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.