Home / 77,030,127.84-115,545,184.71-33,899,331.21

Finding the Fourth Proportional to 77,030,127.84, 115,545,184.71 and 33,899,331.21

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Solution

The fourth proportional to 77,030,127.84, 115,545,184.71 and 33,899,331.21 is: 50,848,993.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,030,127.84 : 115,545,184.71 = 33,899,331.21 : x
  2. Step 2: Convert to fraction form
    77,030,127.84/115,545,184.71 = 33,899,331.21/x
  3. Step 3: Cross multiply
    77,030,127.84x = 115,545,184.71 × 33,899,331.21
  4. Step 4: Simplify right side
    77,030,127.84x = 3,916,904,486,204,917.50
  5. Step 5: Solve for x
    x = 3,916,904,486,204,917.50/77,030,127.84
  6. Step 6: Final answer
    x = 50,848,993.71

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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.