Home / 54,606,376.80-81,909,565.20-49,126,629.60

Finding the Fourth Proportional to 54,606,376.80, 81,909,565.20 and 49,126,629.60

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Solution

The fourth proportional to 54,606,376.80, 81,909,565.20 and 49,126,629.60 is: 73,689,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,606,376.80 : 81,909,565.20 = 49,126,629.60 : x
  2. Step 2: Convert to fraction form
    54,606,376.80/81,909,565.20 = 49,126,629.60/x
  3. Step 3: Cross multiply
    54,606,376.80x = 81,909,565.20 × 49,126,629.60
  4. Step 4: Simplify right side
    54,606,376.80x = 4,023,940,870,277,450
  5. Step 5: Solve for x
    x = 4,023,940,870,277,450/54,606,376.80
  6. Step 6: Final answer
    x = 73,689,944.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.