Home / 155,072,194.94-213,999,673.48-84,507,824.53

Finding the Fourth Proportional to 155,072,194.94, 213,999,673.48 and 84,507,824.53

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Solution

The fourth proportional to 155,072,194.94, 213,999,673.48 and 84,507,824.53 is: 116,620,822.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,072,194.94 : 213,999,673.48 = 84,507,824.53 : x
  2. Step 2: Convert to fraction form
    155,072,194.94/213,999,673.48 = 84,507,824.53/x
  3. Step 3: Cross multiply
    155,072,194.94x = 213,999,673.48 × 84,507,824.53
  4. Step 4: Simplify right side
    155,072,194.94x = 18,084,646,854,778,256
  5. Step 5: Solve for x
    x = 18,084,646,854,778,256/155,072,194.94
  6. Step 6: Final answer
    x = 116,620,822.07

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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.