Home / 54,457,562.16-81,710,465.69-28,543,704.96

Finding the Fourth Proportional to 54,457,562.16, 81,710,465.69 and 28,543,704.96

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Solution

The fourth proportional to 54,457,562.16, 81,710,465.69 and 28,543,704.96 is: 42,828,201.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,457,562.16 : 81,710,465.69 = 28,543,704.96 : x
  2. Step 2: Convert to fraction form
    54,457,562.16/81,710,465.69 = 28,543,704.96/x
  3. Step 3: Cross multiply
    54,457,562.16x = 81,710,465.69 × 28,543,704.96
  4. Step 4: Simplify right side
    54,457,562.16x = 2,332,319,424,410,340.50
  5. Step 5: Solve for x
    x = 2,332,319,424,410,340.50/54,457,562.16
  6. Step 6: Final answer
    x = 42,828,201.11

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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.