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Finding the Fourth Proportional to 299,137,293, 448,764,113.70 and 114,891,291

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Solution

The fourth proportional to 299,137,293, 448,764,113.70 and 114,891,291 is: 172,359,279.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,137,293 : 448,764,113.70 = 114,891,291 : x
  2. Step 2: Convert to fraction form
    299,137,293/448,764,113.70 = 114,891,291/x
  3. Step 3: Cross multiply
    299,137,293x = 448,764,113.70 × 114,891,291
  4. Step 4: Simplify right side
    299,137,293x = 51,559,088,377,463,784
  5. Step 5: Solve for x
    x = 51,559,088,377,463,784/299,137,293
  6. Step 6: Final answer
    x = 172,359,279.78

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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.