Home / 51,330,173.40-77,004,970.94-20,627,142.84

Finding the Fourth Proportional to 51,330,173.40, 77,004,970.94 and 20,627,142.84

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Solution

The fourth proportional to 51,330,173.40, 77,004,970.94 and 20,627,142.84 is: 30,944,616.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,330,173.40 : 77,004,970.94 = 20,627,142.84 : x
  2. Step 2: Convert to fraction form
    51,330,173.40/77,004,970.94 = 20,627,142.84/x
  3. Step 3: Cross multiply
    51,330,173.40x = 77,004,970.94 × 20,627,142.84
  4. Step 4: Simplify right side
    51,330,173.40x = 1,588,392,534,969,429
  5. Step 5: Solve for x
    x = 1,588,392,534,969,429/51,330,173.40
  6. Step 6: Final answer
    x = 30,944,616.58

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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.