Home / 213,389,599.68-320,084,403.36-51,830,447.04

Finding the Fourth Proportional to 213,389,599.68, 320,084,403.36 and 51,830,447.04

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Solution

The fourth proportional to 213,389,599.68, 320,084,403.36 and 51,830,447.04 is: 77,745,671.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,389,599.68 : 320,084,403.36 = 51,830,447.04 : x
  2. Step 2: Convert to fraction form
    213,389,599.68/320,084,403.36 = 51,830,447.04/x
  3. Step 3: Cross multiply
    213,389,599.68x = 320,084,403.36 × 51,830,447.04
  4. Step 4: Simplify right side
    213,389,599.68x = 16,590,117,716,680,478
  5. Step 5: Solve for x
    x = 16,590,117,716,680,478/213,389,599.68
  6. Step 6: Final answer
    x = 77,745,671.49

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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.