Home / 217,320,761.60-325,996,888.80-130,873,025.60

Finding the Fourth Proportional to 217,320,761.60, 325,996,888.80 and 130,873,025.60

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Solution

The fourth proportional to 217,320,761.60, 325,996,888.80 and 130,873,025.60 is: 196,319,021.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,320,761.60 : 325,996,888.80 = 130,873,025.60 : x
  2. Step 2: Convert to fraction form
    217,320,761.60/325,996,888.80 = 130,873,025.60/x
  3. Step 3: Cross multiply
    217,320,761.60x = 325,996,888.80 × 130,873,025.60
  4. Step 4: Simplify right side
    217,320,761.60x = 42,664,199,173,442,752
  5. Step 5: Solve for x
    x = 42,664,199,173,442,752/217,320,761.60
  6. Step 6: Final answer
    x = 196,319,021.06

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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.