Home / 51,330,156.42-77,004,945.45-20,627,125.86

Finding the Fourth Proportional to 51,330,156.42, 77,004,945.45 and 20,627,125.86

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Solution

The fourth proportional to 51,330,156.42, 77,004,945.45 and 20,627,125.86 is: 30,944,591.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,330,156.42 : 77,004,945.45 = 20,627,125.86 : x
  2. Step 2: Convert to fraction form
    51,330,156.42/77,004,945.45 = 20,627,125.86/x
  3. Step 3: Cross multiply
    51,330,156.42x = 77,004,945.45 × 20,627,125.86
  4. Step 4: Simplify right side
    51,330,156.42x = 1,588,390,701,639,584.25
  5. Step 5: Solve for x
    x = 1,588,390,701,639,584.25/51,330,156.42
  6. Step 6: Final answer
    x = 30,944,591.10

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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.