Home / 318,429,588.56-439,450,917.98-191,309,149.62

Finding the Fourth Proportional to 318,429,588.56, 439,450,917.98 and 191,309,149.62

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Solution

The fourth proportional to 318,429,588.56, 439,450,917.98 and 191,309,149.62 is: 264,017,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,429,588.56 : 439,450,917.98 = 191,309,149.62 : x
  2. Step 2: Convert to fraction form
    318,429,588.56/439,450,917.98 = 191,309,149.62/x
  3. Step 3: Cross multiply
    318,429,588.56x = 439,450,917.98 × 191,309,149.62
  4. Step 4: Simplify right side
    318,429,588.56x = 84,070,981,417,525,632
  5. Step 5: Solve for x
    x = 84,070,981,417,525,632/318,429,588.56
  6. Step 6: Final answer
    x = 264,017,492.22

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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.