Home / 71,472,261.24-107,209,032.66-20,354,254.20

Finding the Fourth Proportional to 71,472,261.24, 107,209,032.66 and 20,354,254.20

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Solution

The fourth proportional to 71,472,261.24, 107,209,032.66 and 20,354,254.20 is: 30,531,563.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,472,261.24 : 107,209,032.66 = 20,354,254.20 : x
  2. Step 2: Convert to fraction form
    71,472,261.24/107,209,032.66 = 20,354,254.20/x
  3. Step 3: Cross multiply
    71,472,261.24x = 107,209,032.66 × 20,354,254.20
  4. Step 4: Simplify right side
    71,472,261.24x = 2,182,159,903,297,742
  5. Step 5: Solve for x
    x = 2,182,159,903,297,742/71,472,261.24
  6. Step 6: Final answer
    x = 30,531,563.79

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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.