Home / 129,960,288,053.80-194,940,432,080.70-111,983,977,364.20

Finding the Fourth Proportional to 129,960,288,053.80, 194,940,432,080.70 and 111,983,977,364.20

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Solution

The fourth proportional to 129,960,288,053.80, 194,940,432,080.70 and 111,983,977,364.20 is: 167,975,966,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,960,288,053.80 : 194,940,432,080.70 = 111,983,977,364.20 : x
  2. Step 2: Convert to fraction form
    129,960,288,053.80/194,940,432,080.70 = 111,983,977,364.20/x
  3. Step 3: Cross multiply
    129,960,288,053.80x = 194,940,432,080.70 × 111,983,977,364.20
  4. Step 4: Simplify right side
    129,960,288,053.80x = 21,830,204,933,492,476,739,584
  5. Step 5: Solve for x
    x = 21,830,204,933,492,476,739,584/129,960,288,053.80
  6. Step 6: Final answer
    x = 167,975,966,046.30

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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.