Home / 220,208,580.65-303,907,204.46-121,106,793.53

Finding the Fourth Proportional to 220,208,580.65, 303,907,204.46 and 121,106,793.53

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Solution

The fourth proportional to 220,208,580.65, 303,907,204.46 and 121,106,793.53 is: 167,138,024.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,208,580.65 : 303,907,204.46 = 121,106,793.53 : x
  2. Step 2: Convert to fraction form
    220,208,580.65/303,907,204.46 = 121,106,793.53/x
  3. Step 3: Cross multiply
    220,208,580.65x = 303,907,204.46 × 121,106,793.53
  4. Step 4: Simplify right side
    220,208,580.65x = 36,805,227,062,816,712
  5. Step 5: Solve for x
    x = 36,805,227,062,816,712/220,208,580.65
  6. Step 6: Final answer
    x = 167,138,024.11

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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.