Home / 89,841,518.30-123,981,378.56-48,588,410.68

Finding the Fourth Proportional to 89,841,518.30, 123,981,378.56 and 48,588,410.68

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Solution

The fourth proportional to 89,841,518.30, 123,981,378.56 and 48,588,410.68 is: 67,052,051.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,841,518.30 : 123,981,378.56 = 48,588,410.68 : x
  2. Step 2: Convert to fraction form
    89,841,518.30/123,981,378.56 = 48,588,410.68/x
  3. Step 3: Cross multiply
    89,841,518.30x = 123,981,378.56 × 48,588,410.68
  4. Step 4: Simplify right side
    89,841,518.30x = 6,024,058,138,145,827
  5. Step 5: Solve for x
    x = 6,024,058,138,145,827/89,841,518.30
  6. Step 6: Final answer
    x = 67,052,051.79

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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.