Home / 57,954,363.60-86,832,012.60-30,620,168.40

Finding the Fourth Proportional to 57,954,363.60, 86,832,012.60 and 30,620,168.40

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Solution

The fourth proportional to 57,954,363.60, 86,832,012.60 and 30,620,168.40 is: 45,877,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,954,363.60 : 86,832,012.60 = 30,620,168.40 : x
  2. Step 2: Convert to fraction form
    57,954,363.60/86,832,012.60 = 30,620,168.40/x
  3. Step 3: Cross multiply
    57,954,363.60x = 86,832,012.60 × 30,620,168.40
  4. Step 4: Simplify right side
    57,954,363.60x = 2,658,810,848,322,921.50
  5. Step 5: Solve for x
    x = 2,658,810,848,322,921.50/57,954,363.60
  6. Step 6: Final answer
    x = 45,877,664.48

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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.