Home / 91,868,692.92-137,829,943.32-27,174,220.80

Finding the Fourth Proportional to 91,868,692.92, 137,829,943.32 and 27,174,220.80

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Solution

The fourth proportional to 91,868,692.92, 137,829,943.32 and 27,174,220.80 is: 40,769,289.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,868,692.92 : 137,829,943.32 = 27,174,220.80 : x
  2. Step 2: Convert to fraction form
    91,868,692.92/137,829,943.32 = 27,174,220.80/x
  3. Step 3: Cross multiply
    91,868,692.92x = 137,829,943.32 × 27,174,220.80
  4. Step 4: Simplify right side
    91,868,692.92x = 3,745,421,312,629,165
  5. Step 5: Solve for x
    x = 3,745,421,312,629,165/91,868,692.92
  6. Step 6: Final answer
    x = 40,769,289.23

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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.