Home / 211,430,077.44-317,132,371.56-125,713,958.64

Finding the Fourth Proportional to 211,430,077.44, 317,132,371.56 and 125,713,958.64

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Solution

The fourth proportional to 211,430,077.44, 317,132,371.56 and 125,713,958.64 is: 188,563,360.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,430,077.44 : 317,132,371.56 = 125,713,958.64 : x
  2. Step 2: Convert to fraction form
    211,430,077.44/317,132,371.56 = 125,713,958.64/x
  3. Step 3: Cross multiply
    211,430,077.44x = 317,132,371.56 × 125,713,958.64
  4. Step 4: Simplify right side
    211,430,077.44x = 39,867,965,841,698,952
  5. Step 5: Solve for x
    x = 39,867,965,841,698,952/211,430,077.44
  6. Step 6: Final answer
    x = 188,563,360.16

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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.