Home / 188,288,017.35-259,587,845.50-154,671,220.77

Finding the Fourth Proportional to 188,288,017.35, 259,587,845.50 and 154,671,220.77

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Solution

The fourth proportional to 188,288,017.35, 259,587,845.50 and 154,671,220.77 is: 213,241,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,288,017.35 : 259,587,845.50 = 154,671,220.77 : x
  2. Step 2: Convert to fraction form
    188,288,017.35/259,587,845.50 = 154,671,220.77/x
  3. Step 3: Cross multiply
    188,288,017.35x = 259,587,845.50 × 154,671,220.77
  4. Step 4: Simplify right side
    188,288,017.35x = 40,150,768,960,539,152
  5. Step 5: Solve for x
    x = 40,150,768,960,539,152/188,288,017.35
  6. Step 6: Final answer
    x = 213,241,232.90

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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.