Home / 57,341,405.28-85,966,640.20-30,042,462.09

Finding the Fourth Proportional to 57,341,405.28, 85,966,640.20 and 30,042,462.09

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Solution

The fourth proportional to 57,341,405.28, 85,966,640.20 and 30,042,462.09 is: 45,039,871.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,341,405.28 : 85,966,640.20 = 30,042,462.09 : x
  2. Step 2: Convert to fraction form
    57,341,405.28/85,966,640.20 = 30,042,462.09/x
  3. Step 3: Cross multiply
    57,341,405.28x = 85,966,640.20 × 30,042,462.09
  4. Step 4: Simplify right side
    57,341,405.28x = 2,582,649,529,404,109.50
  5. Step 5: Solve for x
    x = 2,582,649,529,404,109.50/57,341,405.28
  6. Step 6: Final answer
    x = 45,039,871.57

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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.