Home / 255,635,999.40-383,453,999.10-71,403,119.40

Finding the Fourth Proportional to 255,635,999.40, 383,453,999.10 and 71,403,119.40

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Solution

The fourth proportional to 255,635,999.40, 383,453,999.10 and 71,403,119.40 is: 107,104,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,635,999.40 : 383,453,999.10 = 71,403,119.40 : x
  2. Step 2: Convert to fraction form
    255,635,999.40/383,453,999.10 = 71,403,119.40/x
  3. Step 3: Cross multiply
    255,635,999.40x = 383,453,999.10 × 71,403,119.40
  4. Step 4: Simplify right side
    255,635,999.40x = 27,379,811,682,144,796
  5. Step 5: Solve for x
    x = 27,379,811,682,144,796/255,635,999.40
  6. Step 6: Final answer
    x = 107,104,679.10

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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.