Home / 123,264,785.60-185,295,309.60-87,609,924.80

Finding the Fourth Proportional to 123,264,785.60, 185,295,309.60 and 87,609,924.80

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Solution

The fourth proportional to 123,264,785.60, 185,295,309.60 and 87,609,924.80 is: 131,697,857.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,264,785.60 : 185,295,309.60 = 87,609,924.80 : x
  2. Step 2: Convert to fraction form
    123,264,785.60/185,295,309.60 = 87,609,924.80/x
  3. Step 3: Cross multiply
    123,264,785.60x = 185,295,309.60 × 87,609,924.80
  4. Step 4: Simplify right side
    123,264,785.60x = 16,233,708,139,848,718
  5. Step 5: Solve for x
    x = 16,233,708,139,848,718/123,264,785.60
  6. Step 6: Final answer
    x = 131,697,857.27

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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.