Home / 91,760,936.55-137,716,692.30-91,043,491.20

Finding the Fourth Proportional to 91,760,936.55, 137,716,692.30 and 91,043,491.20

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Solution

The fourth proportional to 91,760,936.55, 137,716,692.30 and 91,043,491.20 is: 136,639,935.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,760,936.55 : 137,716,692.30 = 91,043,491.20 : x
  2. Step 2: Convert to fraction form
    91,760,936.55/137,716,692.30 = 91,043,491.20/x
  3. Step 3: Cross multiply
    91,760,936.55x = 137,716,692.30 × 91,043,491.20
  4. Step 4: Simplify right side
    91,760,936.55x = 12,538,208,463,508,160
  5. Step 5: Solve for x
    x = 12,538,208,463,508,160/91,760,936.55
  6. Step 6: Final answer
    x = 136,639,935.63

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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.