Home / 213,389,600.68-320,084,404.86-51,830,448.04

Finding the Fourth Proportional to 213,389,600.68, 320,084,404.86 and 51,830,448.04

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Solution

The fourth proportional to 213,389,600.68, 320,084,404.86 and 51,830,448.04 is: 77,745,672.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,389,600.68 : 320,084,404.86 = 51,830,448.04 : x
  2. Step 2: Convert to fraction form
    213,389,600.68/320,084,404.86 = 51,830,448.04/x
  3. Step 3: Cross multiply
    213,389,600.68x = 320,084,404.86 × 51,830,448.04
  4. Step 4: Simplify right side
    213,389,600.68x = 16,590,118,114,510,554
  5. Step 5: Solve for x
    x = 16,590,118,114,510,554/213,389,600.68
  6. Step 6: Final answer
    x = 77,745,672.99

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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.