Home / 78,345,245.55-108,002,491.64-54,750,528.14

Finding the Fourth Proportional to 78,345,245.55, 108,002,491.64 and 54,750,528.14

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Solution

The fourth proportional to 78,345,245.55, 108,002,491.64 and 54,750,528.14 is: 75,476,098.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,345,245.55 : 108,002,491.64 = 54,750,528.14 : x
  2. Step 2: Convert to fraction form
    78,345,245.55/108,002,491.64 = 54,750,528.14/x
  3. Step 3: Cross multiply
    78,345,245.55x = 108,002,491.64 × 54,750,528.14
  4. Step 4: Simplify right side
    78,345,245.55x = 5,913,193,457,725,935
  5. Step 5: Solve for x
    x = 5,913,193,457,725,935/78,345,245.55
  6. Step 6: Final answer
    x = 75,476,098.34

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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.