Home / 121,112,724.60-181,671,660.24-43,394,690.76

Finding the Fourth Proportional to 121,112,724.60, 181,671,660.24 and 43,394,690.76

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Solution

The fourth proportional to 121,112,724.60, 181,671,660.24 and 43,394,690.76 is: 65,092,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,112,724.60 : 181,671,660.24 = 43,394,690.76 : x
  2. Step 2: Convert to fraction form
    121,112,724.60/181,671,660.24 = 43,394,690.76/x
  3. Step 3: Cross multiply
    121,112,724.60x = 181,671,660.24 × 43,394,690.76
  4. Step 4: Simplify right side
    121,112,724.60x = 7,883,585,515,970,587
  5. Step 5: Solve for x
    x = 7,883,585,515,970,587/121,112,724.60
  6. Step 6: Final answer
    x = 65,092,958.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.