Home / 200,810,446.80-301,215,670.20-139,588,443.60

Finding the Fourth Proportional to 200,810,446.80, 301,215,670.20 and 139,588,443.60

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Solution

The fourth proportional to 200,810,446.80, 301,215,670.20 and 139,588,443.60 is: 209,382,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,810,446.80 : 301,215,670.20 = 139,588,443.60 : x
  2. Step 2: Convert to fraction form
    200,810,446.80/301,215,670.20 = 139,588,443.60/x
  3. Step 3: Cross multiply
    200,810,446.80x = 301,215,670.20 × 139,588,443.60
  4. Step 4: Simplify right side
    200,810,446.80x = 42,046,226,591,148,896
  5. Step 5: Solve for x
    x = 42,046,226,591,148,896/200,810,446.80
  6. Step 6: Final answer
    x = 209,382,665.40

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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.