Home / 89,432,689.86-123,417,629.94-50,274,123.90

Finding the Fourth Proportional to 89,432,689.86, 123,417,629.94 and 50,274,123.90

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Solution

The fourth proportional to 89,432,689.86, 123,417,629.94 and 50,274,123.90 is: 69,378,582.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,432,689.86 : 123,417,629.94 = 50,274,123.90 : x
  2. Step 2: Convert to fraction form
    89,432,689.86/123,417,629.94 = 50,274,123.90/x
  3. Step 3: Cross multiply
    89,432,689.86x = 123,417,629.94 × 50,274,123.90
  4. Step 4: Simplify right side
    89,432,689.86x = 6,204,713,219,047,909
  5. Step 5: Solve for x
    x = 6,204,713,219,047,909/89,432,689.86
  6. Step 6: Final answer
    x = 69,378,582.14

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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.