Home / 197,223,403.14-272,176,307.82-109,115,965.86

Finding the Fourth Proportional to 197,223,403.14, 272,176,307.82 and 109,115,965.86

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Solution

The fourth proportional to 197,223,403.14, 272,176,307.82 and 109,115,965.86 is: 150,584,465.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,223,403.14 : 272,176,307.82 = 109,115,965.86 : x
  2. Step 2: Convert to fraction form
    197,223,403.14/272,176,307.82 = 109,115,965.86/x
  3. Step 3: Cross multiply
    197,223,403.14x = 272,176,307.82 × 109,115,965.86
  4. Step 4: Simplify right side
    197,223,403.14x = 29,698,780,711,987,972
  5. Step 5: Solve for x
    x = 29,698,780,711,987,972/197,223,403.14
  6. Step 6: Final answer
    x = 150,584,465.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.