Home / 57,271,242.20-79,035,265.50-31,166,860.28

Finding the Fourth Proportional to 57,271,242.20, 79,035,265.50 and 31,166,860.28

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Solution

The fourth proportional to 57,271,242.20, 79,035,265.50 and 31,166,860.28 is: 43,010,784.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,271,242.20 : 79,035,265.50 = 31,166,860.28 : x
  2. Step 2: Convert to fraction form
    57,271,242.20/79,035,265.50 = 31,166,860.28/x
  3. Step 3: Cross multiply
    57,271,242.20x = 79,035,265.50 × 31,166,860.28
  4. Step 4: Simplify right side
    57,271,242.20x = 2,463,281,077,031,204.50
  5. Step 5: Solve for x
    x = 2,463,281,077,031,204.50/57,271,242.20
  6. Step 6: Final answer
    x = 43,010,784.86

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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.