Home / 371,291,867.29-512,386,855.28-204,028,171.80

Finding the Fourth Proportional to 371,291,867.29, 512,386,855.28 and 204,028,171.80

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Solution

The fourth proportional to 371,291,867.29, 512,386,855.28 and 204,028,171.80 is: 281,561,118.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,291,867.29 : 512,386,855.28 = 204,028,171.80 : x
  2. Step 2: Convert to fraction form
    371,291,867.29/512,386,855.28 = 204,028,171.80/x
  3. Step 3: Cross multiply
    371,291,867.29x = 512,386,855.28 × 204,028,171.80
  4. Step 4: Simplify right side
    371,291,867.29x = 104,541,353,337,129,584
  5. Step 5: Solve for x
    x = 104,541,353,337,129,584/371,291,867.29
  6. Step 6: Final answer
    x = 281,561,118.21

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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.