Home / 82,921,237.72-114,434,768.72-45,753,928.76

Finding the Fourth Proportional to 82,921,237.72, 114,434,768.72 and 45,753,928.76

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Solution

The fourth proportional to 82,921,237.72, 114,434,768.72 and 45,753,928.76 is: 63,142,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,921,237.72 : 114,434,768.72 = 45,753,928.76 : x
  2. Step 2: Convert to fraction form
    82,921,237.72/114,434,768.72 = 45,753,928.76/x
  3. Step 3: Cross multiply
    82,921,237.72x = 114,434,768.72 × 45,753,928.76
  4. Step 4: Simplify right side
    82,921,237.72x = 5,235,840,255,681,956
  5. Step 5: Solve for x
    x = 5,235,840,255,681,956/82,921,237.72
  6. Step 6: Final answer
    x = 63,142,331.20

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