Home / 375,874,070.90-518,709,757.57-210,865,183.34

Finding the Fourth Proportional to 375,874,070.90, 518,709,757.57 and 210,865,183.34

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Solution

The fourth proportional to 375,874,070.90, 518,709,757.57 and 210,865,183.34 is: 290,995,938.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,874,070.90 : 518,709,757.57 = 210,865,183.34 : x
  2. Step 2: Convert to fraction form
    375,874,070.90/518,709,757.57 = 210,865,183.34/x
  3. Step 3: Cross multiply
    375,874,070.90x = 518,709,757.57 × 210,865,183.34
  4. Step 4: Simplify right side
    375,874,070.90x = 109,377,828,127,124,288
  5. Step 5: Solve for x
    x = 109,377,828,127,124,288/375,874,070.90
  6. Step 6: Final answer
    x = 290,995,938.79

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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.