Home / 194,279,057.43-291,386,665.51-69,755,908.40

Finding the Fourth Proportional to 194,279,057.43, 291,386,665.51 and 69,755,908.40

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Solution

The fourth proportional to 194,279,057.43, 291,386,665.51 and 69,755,908.40 is: 104,622,401.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,279,057.43 : 291,386,665.51 = 69,755,908.40 : x
  2. Step 2: Convert to fraction form
    194,279,057.43/291,386,665.51 = 69,755,908.40/x
  3. Step 3: Cross multiply
    194,279,057.43x = 291,386,665.51 × 69,755,908.40
  4. Step 4: Simplify right side
    194,279,057.43x = 20,325,941,548,297,000
  5. Step 5: Solve for x
    x = 20,325,941,548,297,000/194,279,057.43
  6. Step 6: Final answer
    x = 104,622,401.49

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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.