Home / 198,514,881.55-297,772,322.33-143,670,170.35

Finding the Fourth Proportional to 198,514,881.55, 297,772,322.33 and 143,670,170.35

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Solution

The fourth proportional to 198,514,881.55, 297,772,322.33 and 143,670,170.35 is: 215,505,255.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,514,881.55 : 297,772,322.33 = 143,670,170.35 : x
  2. Step 2: Convert to fraction form
    198,514,881.55/297,772,322.33 = 143,670,170.35/x
  3. Step 3: Cross multiply
    198,514,881.55x = 297,772,322.33 × 143,670,170.35
  4. Step 4: Simplify right side
    198,514,881.55x = 42,781,000,274,666,208
  5. Step 5: Solve for x
    x = 42,781,000,274,666,208/198,514,881.55
  6. Step 6: Final answer
    x = 215,505,255.53

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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.