Home / 131,293,986.09-196,764,940.22-102,182,977.32

Finding the Fourth Proportional to 131,293,986.09, 196,764,940.22 and 102,182,977.32

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Solution

The fourth proportional to 131,293,986.09, 196,764,940.22 and 102,182,977.32 is: 153,137,459.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,293,986.09 : 196,764,940.22 = 102,182,977.32 : x
  2. Step 2: Convert to fraction form
    131,293,986.09/196,764,940.22 = 102,182,977.32/x
  3. Step 3: Cross multiply
    131,293,986.09x = 196,764,940.22 × 102,182,977.32
  4. Step 4: Simplify right side
    131,293,986.09x = 20,106,027,423,360,500
  5. Step 5: Solve for x
    x = 20,106,027,423,360,500/131,293,986.09
  6. Step 6: Final answer
    x = 153,137,459.09

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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.