Home / 252,537,665.40-378,806,498.10-166,373,364.60

Finding the Fourth Proportional to 252,537,665.40, 378,806,498.10 and 166,373,364.60

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Solution

The fourth proportional to 252,537,665.40, 378,806,498.10 and 166,373,364.60 is: 249,560,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,537,665.40 : 378,806,498.10 = 166,373,364.60 : x
  2. Step 2: Convert to fraction form
    252,537,665.40/378,806,498.10 = 166,373,364.60/x
  3. Step 3: Cross multiply
    252,537,665.40x = 378,806,498.10 × 166,373,364.60
  4. Step 4: Simplify right side
    252,537,665.40x = 63,023,311,621,240,512
  5. Step 5: Solve for x
    x = 63,023,311,621,240,512/252,537,665.40
  6. Step 6: Final answer
    x = 249,560,046.90

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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.