Home / 198,514,878.05-297,772,317.08-143,670,166.85

Finding the Fourth Proportional to 198,514,878.05, 297,772,317.08 and 143,670,166.85

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Solution

The fourth proportional to 198,514,878.05, 297,772,317.08 and 143,670,166.85 is: 215,505,250.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,514,878.05 : 297,772,317.08 = 143,670,166.85 : x
  2. Step 2: Convert to fraction form
    198,514,878.05/297,772,317.08 = 143,670,166.85/x
  3. Step 3: Cross multiply
    198,514,878.05x = 297,772,317.08 × 143,670,166.85
  4. Step 4: Simplify right side
    198,514,878.05x = 42,780,998,477,476,352
  5. Step 5: Solve for x
    x = 42,780,998,477,476,352/198,514,878.05
  6. Step 6: Final answer
    x = 215,505,250.28

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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.