Home / 43,061,890.06-59,435,382.32-28,380,165.40

Finding the Fourth Proportional to 43,061,890.06, 59,435,382.32 and 28,380,165.40

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Solution

The fourth proportional to 43,061,890.06, 59,435,382.32 and 28,380,165.40 is: 39,171,201.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,061,890.06 : 59,435,382.32 = 28,380,165.40 : x
  2. Step 2: Convert to fraction form
    43,061,890.06/59,435,382.32 = 28,380,165.40/x
  3. Step 3: Cross multiply
    43,061,890.06x = 59,435,382.32 × 28,380,165.40
  4. Step 4: Simplify right side
    43,061,890.06x = 1,686,785,980,853,835.75
  5. Step 5: Solve for x
    x = 1,686,785,980,853,835.75/43,061,890.06
  6. Step 6: Final answer
    x = 39,171,201.69

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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.