Home / 57,672,036.60-86,508,054.90-55,121,119.80

Finding the Fourth Proportional to 57,672,036.60, 86,508,054.90 and 55,121,119.80

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Solution

The fourth proportional to 57,672,036.60, 86,508,054.90 and 55,121,119.80 is: 82,681,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,672,036.60 : 86,508,054.90 = 55,121,119.80 : x
  2. Step 2: Convert to fraction form
    57,672,036.60/86,508,054.90 = 55,121,119.80/x
  3. Step 3: Cross multiply
    57,672,036.60x = 86,508,054.90 × 55,121,119.80
  4. Step 4: Simplify right side
    57,672,036.60x = 4,768,420,857,807,877
  5. Step 5: Solve for x
    x = 4,768,420,857,807,877/57,672,036.60
  6. Step 6: Final answer
    x = 82,681,679.70

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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.