Home / 221,608,222.77-305,814,013.14-121,132,151.25

Finding the Fourth Proportional to 221,608,222.77, 305,814,013.14 and 121,132,151.25

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Solution

The fourth proportional to 221,608,222.77, 305,814,013.14 and 121,132,151.25 is: 167,159,452.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,608,222.77 : 305,814,013.14 = 121,132,151.25 : x
  2. Step 2: Convert to fraction form
    221,608,222.77/305,814,013.14 = 121,132,151.25/x
  3. Step 3: Cross multiply
    221,608,222.77x = 305,814,013.14 × 121,132,151.25
  4. Step 4: Simplify right side
    221,608,222.77x = 37,043,909,294,043,968
  5. Step 5: Solve for x
    x = 37,043,909,294,043,968/221,608,222.77
  6. Step 6: Final answer
    x = 167,159,452.98

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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.