Home / 82,563,318.94-113,930,641.38-48,610,518.76

Finding the Fourth Proportional to 82,563,318.94, 113,930,641.38 and 48,610,518.76

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Solution

The fourth proportional to 82,563,318.94, 113,930,641.38 and 48,610,518.76 is: 67,078,548.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,563,318.94 : 113,930,641.38 = 48,610,518.76 : x
  2. Step 2: Convert to fraction form
    82,563,318.94/113,930,641.38 = 48,610,518.76/x
  3. Step 3: Cross multiply
    82,563,318.94x = 113,930,641.38 × 48,610,518.76
  4. Step 4: Simplify right side
    82,563,318.94x = 5,538,227,580,141,322
  5. Step 5: Solve for x
    x = 5,538,227,580,141,322/82,563,318.94
  6. Step 6: Final answer
    x = 67,078,548.33

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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.