Home / 76,580,087.63-105,681,195.39-41,772,932.87

Finding the Fourth Proportional to 76,580,087.63, 105,681,195.39 and 41,772,932.87

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Solution

The fourth proportional to 76,580,087.63, 105,681,195.39 and 41,772,932.87 is: 57,647,015.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,580,087.63 : 105,681,195.39 = 41,772,932.87 : x
  2. Step 2: Convert to fraction form
    76,580,087.63/105,681,195.39 = 41,772,932.87/x
  3. Step 3: Cross multiply
    76,580,087.63x = 105,681,195.39 × 41,772,932.87
  4. Step 4: Simplify right side
    76,580,087.63x = 4,414,613,480,119,417.50
  5. Step 5: Solve for x
    x = 4,414,613,480,119,417.50/76,580,087.63
  6. Step 6: Final answer
    x = 57,647,015.26

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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.