Home / 54,457,260.60-81,685,890.90-19,913,595.60

Finding the Fourth Proportional to 54,457,260.60, 81,685,890.90 and 19,913,595.60

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Solution

The fourth proportional to 54,457,260.60, 81,685,890.90 and 19,913,595.60 is: 29,870,393.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,457,260.60 : 81,685,890.90 = 19,913,595.60 : x
  2. Step 2: Convert to fraction form
    54,457,260.60/81,685,890.90 = 19,913,595.60/x
  3. Step 3: Cross multiply
    54,457,260.60x = 81,685,890.90 × 19,913,595.60
  4. Step 4: Simplify right side
    54,457,260.60x = 1,626,659,797,608,320.25
  5. Step 5: Solve for x
    x = 1,626,659,797,608,320.25/54,457,260.60
  6. Step 6: Final answer
    x = 29,870,393.40

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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.