Home / 211,152,033.20-316,728,049.80-177,139,809.20

Finding the Fourth Proportional to 211,152,033.20, 316,728,049.80 and 177,139,809.20

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Solution

The fourth proportional to 211,152,033.20, 316,728,049.80 and 177,139,809.20 is: 265,709,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,152,033.20 : 316,728,049.80 = 177,139,809.20 : x
  2. Step 2: Convert to fraction form
    211,152,033.20/316,728,049.80 = 177,139,809.20/x
  3. Step 3: Cross multiply
    211,152,033.20x = 316,728,049.80 × 177,139,809.20
  4. Step 4: Simplify right side
    211,152,033.20x = 56,105,146,309,860,096
  5. Step 5: Solve for x
    x = 56,105,146,309,860,096/211,152,033.20
  6. Step 6: Final answer
    x = 265,709,713.80

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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.