Home / 143,049,562.74-197,394,903.80-80,313,407.86

Finding the Fourth Proportional to 143,049,562.74, 197,394,903.80 and 80,313,407.86

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Solution

The fourth proportional to 143,049,562.74, 197,394,903.80 and 80,313,407.86 is: 110,824,927.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,049,562.74 : 197,394,903.80 = 80,313,407.86 : x
  2. Step 2: Convert to fraction form
    143,049,562.74/197,394,903.80 = 80,313,407.86/x
  3. Step 3: Cross multiply
    143,049,562.74x = 197,394,903.80 × 80,313,407.86
  4. Step 4: Simplify right side
    143,049,562.74x = 15,853,457,418,374,864
  5. Step 5: Solve for x
    x = 15,853,457,418,374,864/143,049,562.74
  6. Step 6: Final answer
    x = 110,824,927.49

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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.