Home / 81,295,697.44-112,169,538.48-48,238,871.68

Finding the Fourth Proportional to 81,295,697.44, 112,169,538.48 and 48,238,871.68

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Solution

The fourth proportional to 81,295,697.44, 112,169,538.48 and 48,238,871.68 is: 66,558,651.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,295,697.44 : 112,169,538.48 = 48,238,871.68 : x
  2. Step 2: Convert to fraction form
    81,295,697.44/112,169,538.48 = 48,238,871.68/x
  3. Step 3: Cross multiply
    81,295,697.44x = 112,169,538.48 × 48,238,871.68
  4. Step 4: Simplify right side
    81,295,697.44x = 5,410,931,973,141,542
  5. Step 5: Solve for x
    x = 5,410,931,973,141,542/81,295,697.44
  6. Step 6: Final answer
    x = 66,558,651.24

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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.