Home / 262,106,138.60-393,411,150.30-132,859,687.40

Finding the Fourth Proportional to 262,106,138.60, 393,411,150.30 and 132,859,687.40

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Solution

The fourth proportional to 262,106,138.60, 393,411,150.30 and 132,859,687.40 is: 199,417,238.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,106,138.60 : 393,411,150.30 = 132,859,687.40 : x
  2. Step 2: Convert to fraction form
    262,106,138.60/393,411,150.30 = 132,859,687.40/x
  3. Step 3: Cross multiply
    262,106,138.60x = 393,411,150.30 × 132,859,687.40
  4. Step 4: Simplify right side
    262,106,138.60x = 52,268,482,448,532,424
  5. Step 5: Solve for x
    x = 52,268,482,448,532,424/262,106,138.60
  6. Step 6: Final answer
    x = 199,417,238.86

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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.