Home / 291,025,234.80-436,537,852.20-137,970,226.80

Finding the Fourth Proportional to 291,025,234.80, 436,537,852.20 and 137,970,226.80

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Solution

The fourth proportional to 291,025,234.80, 436,537,852.20 and 137,970,226.80 is: 206,955,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,025,234.80 : 436,537,852.20 = 137,970,226.80 : x
  2. Step 2: Convert to fraction form
    291,025,234.80/436,537,852.20 = 137,970,226.80/x
  3. Step 3: Cross multiply
    291,025,234.80x = 436,537,852.20 × 137,970,226.80
  4. Step 4: Simplify right side
    291,025,234.80x = 60,229,226,474,818,880
  5. Step 5: Solve for x
    x = 60,229,226,474,818,880/291,025,234.80
  6. Step 6: Final answer
    x = 206,955,340.20

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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.