Home / 77,677,973.43-116,532,309.30-28,494,283.38

Finding the Fourth Proportional to 77,677,973.43, 116,532,309.30 and 28,494,283.38

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Solution

The fourth proportional to 77,677,973.43, 116,532,309.30 and 28,494,283.38 is: 42,747,055.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,677,973.43 : 116,532,309.30 = 28,494,283.38 : x
  2. Step 2: Convert to fraction form
    77,677,973.43/116,532,309.30 = 28,494,283.38/x
  3. Step 3: Cross multiply
    77,677,973.43x = 116,532,309.30 × 28,494,283.38
  4. Step 4: Simplify right side
    77,677,973.43x = 3,320,504,644,120,009
  5. Step 5: Solve for x
    x = 3,320,504,644,120,009/77,677,973.43
  6. Step 6: Final answer
    x = 42,747,055.54

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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.