Home / 218,655,220.16-301,729,824.96-125,820,744.32

Finding the Fourth Proportional to 218,655,220.16, 301,729,824.96 and 125,820,744.32

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Solution

The fourth proportional to 218,655,220.16, 301,729,824.96 and 125,820,744.32 is: 173,624,353.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,655,220.16 : 301,729,824.96 = 125,820,744.32 : x
  2. Step 2: Convert to fraction form
    218,655,220.16/301,729,824.96 = 125,820,744.32/x
  3. Step 3: Cross multiply
    218,655,220.16x = 301,729,824.96 × 125,820,744.32
  4. Step 4: Simplify right side
    218,655,220.16x = 37,963,871,160,010,512
  5. Step 5: Solve for x
    x = 37,963,871,160,010,512/218,655,220.16
  6. Step 6: Final answer
    x = 173,624,353.14

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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.