Home / 123,264,786.60-185,295,311.10-87,609,925.80

Finding the Fourth Proportional to 123,264,786.60, 185,295,311.10 and 87,609,925.80

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Solution

The fourth proportional to 123,264,786.60, 185,295,311.10 and 87,609,925.80 is: 131,697,858.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,264,786.60 : 185,295,311.10 = 87,609,925.80 : x
  2. Step 2: Convert to fraction form
    123,264,786.60/185,295,311.10 = 87,609,925.80/x
  3. Step 3: Cross multiply
    123,264,786.60x = 185,295,311.10 × 87,609,925.80
  4. Step 4: Simplify right side
    123,264,786.60x = 16,233,708,456,558,916
  5. Step 5: Solve for x
    x = 16,233,708,456,558,916/123,264,786.60
  6. Step 6: Final answer
    x = 131,697,858.77

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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.