Home / 57,079,803.28-85,618,835.16-39,556,189.84

Finding the Fourth Proportional to 57,079,803.28, 85,618,835.16 and 39,556,189.84

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Solution

The fourth proportional to 57,079,803.28, 85,618,835.16 and 39,556,189.84 is: 59,333,682.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,079,803.28 : 85,618,835.16 = 39,556,189.84 : x
  2. Step 2: Convert to fraction form
    57,079,803.28/85,618,835.16 = 39,556,189.84/x
  3. Step 3: Cross multiply
    57,079,803.28x = 85,618,835.16 × 39,556,189.84
  4. Step 4: Simplify right side
    57,079,803.28x = 3,386,754,897,468,627
  5. Step 5: Solve for x
    x = 3,386,754,897,468,627/57,079,803.28
  6. Step 6: Final answer
    x = 59,333,682.02

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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.