Home / 198,514,875.80-297,772,313.70-143,670,164.60

Finding the Fourth Proportional to 198,514,875.80, 297,772,313.70 and 143,670,164.60

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Solution

The fourth proportional to 198,514,875.80, 297,772,313.70 and 143,670,164.60 is: 215,505,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,514,875.80 : 297,772,313.70 = 143,670,164.60 : x
  2. Step 2: Convert to fraction form
    198,514,875.80/297,772,313.70 = 143,670,164.60/x
  3. Step 3: Cross multiply
    198,514,875.80x = 297,772,313.70 × 143,670,164.60
  4. Step 4: Simplify right side
    198,514,875.80x = 42,780,997,322,601,832
  5. Step 5: Solve for x
    x = 42,780,997,322,601,832/198,514,875.80
  6. Step 6: Final answer
    x = 215,505,246.90

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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.