Home / 82,628,190.40-123,946,951.20-25,122,337.60

Finding the Fourth Proportional to 82,628,190.40, 123,946,951.20 and 25,122,337.60

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Solution

The fourth proportional to 82,628,190.40, 123,946,951.20 and 25,122,337.60 is: 37,684,924.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,628,190.40 : 123,946,951.20 = 25,122,337.60 : x
  2. Step 2: Convert to fraction form
    82,628,190.40/123,946,951.20 = 25,122,337.60/x
  3. Step 3: Cross multiply
    82,628,190.40x = 123,946,951.20 × 25,122,337.60
  4. Step 4: Simplify right side
    82,628,190.40x = 3,113,837,152,537,125.50
  5. Step 5: Solve for x
    x = 3,113,837,152,537,125.50/82,628,190.40
  6. Step 6: Final answer
    x = 37,684,924.93

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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.