Home / 275,212,449.12-379,793,235.60-151,453,126.32

Finding the Fourth Proportional to 275,212,449.12, 379,793,235.60 and 151,453,126.32

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Solution

The fourth proportional to 275,212,449.12, 379,793,235.60 and 151,453,126.32 is: 209,005,345.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,212,449.12 : 379,793,235.60 = 151,453,126.32 : x
  2. Step 2: Convert to fraction form
    275,212,449.12/379,793,235.60 = 151,453,126.32/x
  3. Step 3: Cross multiply
    275,212,449.12x = 379,793,235.60 × 151,453,126.32
  4. Step 4: Simplify right side
    275,212,449.12x = 57,520,872,886,808,320
  5. Step 5: Solve for x
    x = 57,520,872,886,808,320/275,212,449.12
  6. Step 6: Final answer
    x = 209,005,345.04

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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.