Home / 57,271,241.20-79,035,264.12-31,166,859.28

Finding the Fourth Proportional to 57,271,241.20, 79,035,264.12 and 31,166,859.28

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Solution

The fourth proportional to 57,271,241.20, 79,035,264.12 and 31,166,859.28 is: 43,010,783.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,271,241.20 : 79,035,264.12 = 31,166,859.28 : x
  2. Step 2: Convert to fraction form
    57,271,241.20/79,035,264.12 = 31,166,859.28/x
  3. Step 3: Cross multiply
    57,271,241.20x = 79,035,264.12 × 31,166,859.28
  4. Step 4: Simplify right side
    57,271,241.20x = 2,463,280,954,985,673.50
  5. Step 5: Solve for x
    x = 2,463,280,954,985,673.50/57,271,241.20
  6. Step 6: Final answer
    x = 43,010,783.48

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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.