Home / 198,514,876.30-297,772,314.45-143,670,165.10

Finding the Fourth Proportional to 198,514,876.30, 297,772,314.45 and 143,670,165.10

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Solution

The fourth proportional to 198,514,876.30, 297,772,314.45 and 143,670,165.10 is: 215,505,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,514,876.30 : 297,772,314.45 = 143,670,165.10 : x
  2. Step 2: Convert to fraction form
    198,514,876.30/297,772,314.45 = 143,670,165.10/x
  3. Step 3: Cross multiply
    198,514,876.30x = 297,772,314.45 × 143,670,165.10
  4. Step 4: Simplify right side
    198,514,876.30x = 42,780,997,579,240,616
  5. Step 5: Solve for x
    x = 42,780,997,579,240,616/198,514,876.30
  6. Step 6: Final answer
    x = 215,505,247.65

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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.