Home / 57,079,793.28-85,618,820.16-39,556,179.84

Finding the Fourth Proportional to 57,079,793.28, 85,618,820.16 and 39,556,179.84

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Solution

The fourth proportional to 57,079,793.28, 85,618,820.16 and 39,556,179.84 is: 59,333,667.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,079,793.28 : 85,618,820.16 = 39,556,179.84 : x
  2. Step 2: Convert to fraction form
    57,079,793.28/85,618,820.16 = 39,556,179.84/x
  3. Step 3: Cross multiply
    57,079,793.28x = 85,618,820.16 × 39,556,179.84
  4. Step 4: Simplify right side
    57,079,793.28x = 3,386,753,447,937,577.50
  5. Step 5: Solve for x
    x = 3,386,753,447,937,577.50/57,079,793.28
  6. Step 6: Final answer
    x = 59,333,667.02

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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.