Home / 198,514,878.55-297,772,317.83-143,670,167.35

Finding the Fourth Proportional to 198,514,878.55, 297,772,317.83 and 143,670,167.35

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Solution

The fourth proportional to 198,514,878.55, 297,772,317.83 and 143,670,167.35 is: 215,505,251.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,514,878.55 : 297,772,317.83 = 143,670,167.35 : x
  2. Step 2: Convert to fraction form
    198,514,878.55/297,772,317.83 = 143,670,167.35/x
  3. Step 3: Cross multiply
    198,514,878.55x = 297,772,317.83 × 143,670,167.35
  4. Step 4: Simplify right side
    198,514,878.55x = 42,780,998,734,115,136
  5. Step 5: Solve for x
    x = 42,780,998,734,115,136/198,514,878.55
  6. Step 6: Final answer
    x = 215,505,251.03

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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.