Home / 220,156,941.80-303,816,774.03-121,039,375.58

Finding the Fourth Proportional to 220,156,941.80, 303,816,774.03 and 121,039,375.58

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Solution

The fourth proportional to 220,156,941.80, 303,816,774.03 and 121,039,375.58 is: 167,034,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,156,941.80 : 303,816,774.03 = 121,039,375.58 : x
  2. Step 2: Convert to fraction form
    220,156,941.80/303,816,774.03 = 121,039,375.58/x
  3. Step 3: Cross multiply
    220,156,941.80x = 303,816,774.03 × 121,039,375.58
  4. Step 4: Simplify right side
    220,156,941.80x = 36,773,792,619,321,160
  5. Step 5: Solve for x
    x = 36,773,792,619,321,160/220,156,941.80
  6. Step 6: Final answer
    x = 167,034,445.15

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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.