Home / 217,320,986.10-325,997,225.55-130,873,250.10

Finding the Fourth Proportional to 217,320,986.10, 325,997,225.55 and 130,873,250.10

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Solution

The fourth proportional to 217,320,986.10, 325,997,225.55 and 130,873,250.10 is: 196,319,357.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,320,986.10 : 325,997,225.55 = 130,873,250.10 : x
  2. Step 2: Convert to fraction form
    217,320,986.10/325,997,225.55 = 130,873,250.10/x
  3. Step 3: Cross multiply
    217,320,986.10x = 325,997,225.55 × 130,873,250.10
  4. Step 4: Simplify right side
    217,320,986.10x = 42,664,316,431,311,256
  5. Step 5: Solve for x
    x = 42,664,316,431,311,256/217,320,986.10
  6. Step 6: Final answer
    x = 196,319,357.82

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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.