Home / 375,874,072.90-518,709,760.33-210,865,185.34

Finding the Fourth Proportional to 375,874,072.90, 518,709,760.33 and 210,865,185.34

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Solution

The fourth proportional to 375,874,072.90, 518,709,760.33 and 210,865,185.34 is: 290,995,941.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,874,072.90 : 518,709,760.33 = 210,865,185.34 : x
  2. Step 2: Convert to fraction form
    375,874,072.90/518,709,760.33 = 210,865,185.34/x
  3. Step 3: Cross multiply
    375,874,072.90x = 518,709,760.33 × 210,865,185.34
  4. Step 4: Simplify right side
    375,874,072.90x = 109,377,829,749,652,432
  5. Step 5: Solve for x
    x = 109,377,829,749,652,432/375,874,072.90
  6. Step 6: Final answer
    x = 290,995,941.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.