Home / 122,379,982.20-183,516,829.20-40,467,209.40

Finding the Fourth Proportional to 122,379,982.20, 183,516,829.20 and 40,467,209.40

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Solution

The fourth proportional to 122,379,982.20, 183,516,829.20 and 40,467,209.40 is: 60,683,241.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,379,982.20 : 183,516,829.20 = 40,467,209.40 : x
  2. Step 2: Convert to fraction form
    122,379,982.20/183,516,829.20 = 40,467,209.40/x
  3. Step 3: Cross multiply
    122,379,982.20x = 183,516,829.20 × 40,467,209.40
  4. Step 4: Simplify right side
    122,379,982.20x = 7,426,413,955,660,434
  5. Step 5: Solve for x
    x = 7,426,413,955,660,434/122,379,982.20
  6. Step 6: Final answer
    x = 60,683,241.02

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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.