Home / 123,510,890.98-185,322,886.13-53,502,525.74

Finding the Fourth Proportional to 123,510,890.98, 185,322,886.13 and 53,502,525.74

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Solution

The fourth proportional to 123,510,890.98, 185,322,886.13 and 53,502,525.74 is: 80,278,284.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,510,890.98 : 185,322,886.13 = 53,502,525.74 : x
  2. Step 2: Convert to fraction form
    123,510,890.98/185,322,886.13 = 53,502,525.74/x
  3. Step 3: Cross multiply
    123,510,890.98x = 185,322,886.13 × 53,502,525.74
  4. Step 4: Simplify right side
    123,510,890.98x = 9,915,242,485,978,478
  5. Step 5: Solve for x
    x = 9,915,242,485,978,478/123,510,890.98
  6. Step 6: Final answer
    x = 80,278,284.83

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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.