Home / 359,842,999.82-539,764,499.58-87,213,766.82

Finding the Fourth Proportional to 359,842,999.82, 539,764,499.58 and 87,213,766.82

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Solution

The fourth proportional to 359,842,999.82, 539,764,499.58 and 87,213,766.82 is: 130,820,650.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,842,999.82 : 539,764,499.58 = 87,213,766.82 : x
  2. Step 2: Convert to fraction form
    359,842,999.82/539,764,499.58 = 87,213,766.82/x
  3. Step 3: Cross multiply
    359,842,999.82x = 539,764,499.58 × 87,213,766.82
  4. Step 4: Simplify right side
    359,842,999.82x = 47,074,895,204,084,104
  5. Step 5: Solve for x
    x = 47,074,895,204,084,104/359,842,999.82
  6. Step 6: Final answer
    x = 130,820,650.19

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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.