Home / 129,960,288,145.80-194,940,432,218.70-111,983,977,456.20

Finding the Fourth Proportional to 129,960,288,145.80, 194,940,432,218.70 and 111,983,977,456.20

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Solution

The fourth proportional to 129,960,288,145.80, 194,940,432,218.70 and 111,983,977,456.20 is: 167,975,966,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,960,288,145.80 : 194,940,432,218.70 = 111,983,977,456.20 : x
  2. Step 2: Convert to fraction form
    129,960,288,145.80/194,940,432,218.70 = 111,983,977,456.20/x
  3. Step 3: Cross multiply
    129,960,288,145.80x = 194,940,432,218.70 × 111,983,977,456.20
  4. Step 4: Simplify right side
    129,960,288,145.80x = 21,830,204,966,880,784,941,056
  5. Step 5: Solve for x
    x = 21,830,204,966,880,784,941,056/129,960,288,145.80
  6. Step 6: Final answer
    x = 167,975,966,184.30

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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.