Home / 69,887,227.58-96,451,548.54-42,019,015.58

Finding the Fourth Proportional to 69,887,227.58, 96,451,548.54 and 42,019,015.58

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Solution

The fourth proportional to 69,887,227.58, 96,451,548.54 and 42,019,015.58 is: 57,990,555.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,887,227.58 : 96,451,548.54 = 42,019,015.58 : x
  2. Step 2: Convert to fraction form
    69,887,227.58/96,451,548.54 = 42,019,015.58/x
  3. Step 3: Cross multiply
    69,887,227.58x = 96,451,548.54 × 42,019,015.58
  4. Step 4: Simplify right side
    69,887,227.58x = 4,052,799,120,335,129
  5. Step 5: Solve for x
    x = 4,052,799,120,335,129/69,887,227.58
  6. Step 6: Final answer
    x = 57,990,555.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.