Home / 132,866,830.80-199,300,246.20-127,764,997.20

Finding the Fourth Proportional to 132,866,830.80, 199,300,246.20 and 127,764,997.20

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Solution

The fourth proportional to 132,866,830.80, 199,300,246.20 and 127,764,997.20 is: 191,647,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,866,830.80 : 199,300,246.20 = 127,764,997.20 : x
  2. Step 2: Convert to fraction form
    132,866,830.80/199,300,246.20 = 127,764,997.20/x
  3. Step 3: Cross multiply
    132,866,830.80x = 199,300,246.20 × 127,764,997.20
  4. Step 4: Simplify right side
    132,866,830.80x = 25,463,595,397,702,308
  5. Step 5: Solve for x
    x = 25,463,595,397,702,308/132,866,830.80
  6. Step 6: Final answer
    x = 191,647,495.80

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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.