Home / 173,781,704.40-260,840,518.20-87,617,403.60

Finding the Fourth Proportional to 173,781,704.40, 260,840,518.20 and 87,617,403.60

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Solution

The fourth proportional to 173,781,704.40, 260,840,518.20 and 87,617,403.60 is: 131,510,788.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,781,704.40 : 260,840,518.20 = 87,617,403.60 : x
  2. Step 2: Convert to fraction form
    173,781,704.40/260,840,518.20 = 87,617,403.60/x
  3. Step 3: Cross multiply
    173,781,704.40x = 260,840,518.20 × 87,617,403.60
  4. Step 4: Simplify right side
    173,781,704.40x = 22,854,168,958,362,544
  5. Step 5: Solve for x
    x = 22,854,168,958,362,544/173,781,704.40
  6. Step 6: Final answer
    x = 131,510,788.42

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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.