Home / 121,780,783.47-167,894,905.25-96,745,958.36

Finding the Fourth Proportional to 121,780,783.47, 167,894,905.25 and 96,745,958.36

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Solution

The fourth proportional to 121,780,783.47, 167,894,905.25 and 96,745,958.36 is: 133,380,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,780,783.47 : 167,894,905.25 = 96,745,958.36 : x
  2. Step 2: Convert to fraction form
    121,780,783.47/167,894,905.25 = 96,745,958.36/x
  3. Step 3: Cross multiply
    121,780,783.47x = 167,894,905.25 × 96,745,958.36
  4. Step 4: Simplify right side
    121,780,783.47x = 16,243,153,511,575,036
  5. Step 5: Solve for x
    x = 16,243,153,511,575,036/121,780,783.47
  6. Step 6: Final answer
    x = 133,380,267.80

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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.