Home / 218,655,220.66-301,729,825.65-125,820,744.82

Finding the Fourth Proportional to 218,655,220.66, 301,729,825.65 and 125,820,744.82

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Solution

The fourth proportional to 218,655,220.66, 301,729,825.65 and 125,820,744.82 is: 173,624,353.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,655,220.66 : 301,729,825.65 = 125,820,744.82 : x
  2. Step 2: Convert to fraction form
    218,655,220.66/301,729,825.65 = 125,820,744.82/x
  3. Step 3: Cross multiply
    218,655,220.66x = 301,729,825.65 × 125,820,744.82
  4. Step 4: Simplify right side
    218,655,220.66x = 37,963,871,397,691,736
  5. Step 5: Solve for x
    x = 37,963,871,397,691,736/218,655,220.66
  6. Step 6: Final answer
    x = 173,624,353.83

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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.