Home / 260,724,002.10-391,086,003.15-131,281,595.70

Finding the Fourth Proportional to 260,724,002.10, 391,086,003.15 and 131,281,595.70

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Solution

The fourth proportional to 260,724,002.10, 391,086,003.15 and 131,281,595.70 is: 196,922,393.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,724,002.10 : 391,086,003.15 = 131,281,595.70 : x
  2. Step 2: Convert to fraction form
    260,724,002.10/391,086,003.15 = 131,281,595.70/x
  3. Step 3: Cross multiply
    260,724,002.10x = 391,086,003.15 × 131,281,595.70
  4. Step 4: Simplify right side
    260,724,002.10x = 51,342,394,549,467,224
  5. Step 5: Solve for x
    x = 51,342,394,549,467,224/260,724,002.10
  6. Step 6: Final answer
    x = 196,922,393.55

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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.