Home / 262,326,005.60-393,489,008.40-80,573,183.60

Finding the Fourth Proportional to 262,326,005.60, 393,489,008.40 and 80,573,183.60

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Solution

The fourth proportional to 262,326,005.60, 393,489,008.40 and 80,573,183.60 is: 120,859,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,326,005.60 : 393,489,008.40 = 80,573,183.60 : x
  2. Step 2: Convert to fraction form
    262,326,005.60/393,489,008.40 = 80,573,183.60/x
  3. Step 3: Cross multiply
    262,326,005.60x = 393,489,008.40 × 80,573,183.60
  4. Step 4: Simplify right side
    262,326,005.60x = 31,704,662,118,395,136
  5. Step 5: Solve for x
    x = 31,704,662,118,395,136/262,326,005.60
  6. Step 6: Final answer
    x = 120,859,775.40

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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.