Home / 57,114,221.13-85,705,372.35-20,725,450.74

Finding the Fourth Proportional to 57,114,221.13, 85,705,372.35 and 20,725,450.74

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Solution

The fourth proportional to 57,114,221.13, 85,705,372.35 and 20,725,450.74 is: 31,100,528.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,114,221.13 : 85,705,372.35 = 20,725,450.74 : x
  2. Step 2: Convert to fraction form
    57,114,221.13/85,705,372.35 = 20,725,450.74/x
  3. Step 3: Cross multiply
    57,114,221.13x = 85,705,372.35 × 20,725,450.74
  4. Step 4: Simplify right side
    57,114,221.13x = 1,776,282,472,793,282.75
  5. Step 5: Solve for x
    x = 1,776,282,472,793,282.75/57,114,221.13
  6. Step 6: Final answer
    x = 31,100,528.69

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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.