Home / 252,530,315.40-378,795,473.10-166,366,014.60

Finding the Fourth Proportional to 252,530,315.40, 378,795,473.10 and 166,366,014.60

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Solution

The fourth proportional to 252,530,315.40, 378,795,473.10 and 166,366,014.60 is: 249,549,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,530,315.40 : 378,795,473.10 = 166,366,014.60 : x
  2. Step 2: Convert to fraction form
    252,530,315.40/378,795,473.10 = 166,366,014.60/x
  3. Step 3: Cross multiply
    252,530,315.40x = 378,795,473.10 × 166,366,014.60
  4. Step 4: Simplify right side
    252,530,315.40x = 63,018,693,208,168,512
  5. Step 5: Solve for x
    x = 63,018,693,208,168,512/252,530,315.40
  6. Step 6: Final answer
    x = 249,549,021.90

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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.