Home / 91,692,692.59-137,509,858.82-30,270,414.86

Finding the Fourth Proportional to 91,692,692.59, 137,509,858.82 and 30,270,414.86

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Solution

The fourth proportional to 91,692,692.59, 137,509,858.82 and 30,270,414.86 is: 45,395,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,692,692.59 : 137,509,858.82 = 30,270,414.86 : x
  2. Step 2: Convert to fraction form
    91,692,692.59/137,509,858.82 = 30,270,414.86/x
  3. Step 3: Cross multiply
    91,692,692.59x = 137,509,858.82 × 30,270,414.86
  4. Step 4: Simplify right side
    91,692,692.59x = 4,162,480,473,670,078
  5. Step 5: Solve for x
    x = 4,162,480,473,670,078/91,692,692.59
  6. Step 6: Final answer
    x = 45,395,989.10

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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.