Home / 349,747,748.70-524,201,719.05-145,170,519.90

Finding the Fourth Proportional to 349,747,748.70, 524,201,719.05 and 145,170,519.90

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Solution

The fourth proportional to 349,747,748.70, 524,201,719.05 and 145,170,519.90 is: 217,581,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,747,748.70 : 524,201,719.05 = 145,170,519.90 : x
  2. Step 2: Convert to fraction form
    349,747,748.70/524,201,719.05 = 145,170,519.90/x
  3. Step 3: Cross multiply
    349,747,748.70x = 524,201,719.05 × 145,170,519.90
  4. Step 4: Simplify right side
    349,747,748.70x = 76,098,636,086,962,240
  5. Step 5: Solve for x
    x = 76,098,636,086,962,240/349,747,748.70
  6. Step 6: Final answer
    x = 217,581,489.43

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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.