Home / 375,641,862.54-518,308,143.62-216,869,234.18

Finding the Fourth Proportional to 375,641,862.54, 518,308,143.62 and 216,869,234.18

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Solution

The fourth proportional to 375,641,862.54, 518,308,143.62 and 216,869,234.18 is: 299,234,726.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,641,862.54 : 518,308,143.62 = 216,869,234.18 : x
  2. Step 2: Convert to fraction form
    375,641,862.54/518,308,143.62 = 216,869,234.18/x
  3. Step 3: Cross multiply
    375,641,862.54x = 518,308,143.62 × 216,869,234.18
  4. Step 4: Simplify right side
    375,641,862.54x = 112,405,090,176,338,288
  5. Step 5: Solve for x
    x = 112,405,090,176,338,288/375,641,862.54
  6. Step 6: Final answer
    x = 299,234,726.97

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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.